diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
index cb6a2401bf..2cee9db941 100644
--- a/.github/workflows/rust.yml
+++ b/.github/workflows/rust.yml
@@ -78,6 +78,10 @@ jobs:
           override: true
           profile: minimal
           components: rustfmt, clippy
+      - uses: actions-rs/install@v0.1
+        with:
+          crate: cargo-fuzz
+          version: latest
       - uses: Swatinem/rust-cache@v2
         with:
           key: misc
@@ -91,6 +95,8 @@ jobs:
         run: cargo doc -v --document-private-items --all-features
       - name: Build
         run: cargo build --all-targets --quiet --profile ci
+      - name: Build fuzzers
+        run: cargo fuzz build -s none
       - run: cd boa_examples
       - name: Build examples
         run: cargo build --quiet --profile ci
diff --git a/fuzz/Cargo.lock b/fuzz/Cargo.lock
index ab15b48ab5..139b4772d8 100644
--- a/fuzz/Cargo.lock
+++ b/fuzz/Cargo.lock
@@ -2,6 +2,23 @@
 # It is not intended for manual editing.
 version = 3
 
+[[package]]
+name = "ahash"
+version = "0.8.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2c99f64d1e06488f620f932677e24bc6e2897582980441ae90a671415bd7ec2f"
+dependencies = [
+ "cfg-if",
+ "once_cell",
+ "version_check",
+]
+
+[[package]]
+name = "android-tzdata"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e999941b234f3131b00bc13c22d06e8c5ff726d1b6318ac7eb276997bbb4fef0"
+
 [[package]]
 name = "android_system_properties"
 version = "0.1.5"
@@ -20,6 +37,15 @@ dependencies = [
  "derive_arbitrary",
 ]
 
+[[package]]
+name = "atomic-polyfill"
+version = "1.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c314e70d181aa6053b26e3f7fbf86d1dfff84f816a6175b967666b3506ef7289"
+dependencies = [
+ "critical-section",
+]
+
 [[package]]
 name = "autocfg"
 version = "1.1.0"
@@ -32,14 +58,21 @@ version = "1.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
 
+[[package]]
+name = "bitflags"
+version = "2.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6776fc96284a0bb647b615056fc496d1fe1644a7ab01829818a6d91cae888b84"
+
 [[package]]
 name = "boa_ast"
 version = "0.16.0"
 dependencies = [
  "arbitrary",
- "bitflags",
+ "bitflags 2.3.1",
  "boa_interner",
  "boa_macros",
+ "indexmap",
  "num-bigint",
  "rustc-hash",
 ]
@@ -48,22 +81,26 @@ dependencies = [
 name = "boa_engine"
 version = "0.16.0"
 dependencies = [
- "bitflags",
+ "bitflags 2.3.1",
  "boa_ast",
  "boa_gc",
+ "boa_icu_provider",
  "boa_interner",
  "boa_macros",
  "boa_parser",
  "boa_profiler",
- "boa_unicode",
  "chrono",
- "dyn-clone",
+ "dashmap",
  "fast-float",
+ "icu_normalizer",
  "indexmap",
+ "itertools",
  "num-bigint",
  "num-integer",
  "num-traits",
+ "num_enum",
  "once_cell",
+ "pollster",
  "rand",
  "regress",
  "rustc-hash",
@@ -73,14 +110,15 @@ dependencies = [
  "sptr",
  "static_assertions",
  "tap",
+ "thin-vec",
  "thiserror",
- "unicode-normalization",
 ]
 
 [[package]]
 name = "boa_fuzz"
 version = "0.0.0"
 dependencies = [
+ "arbitrary",
  "boa_ast",
  "boa_engine",
  "boa_interner",
@@ -94,6 +132,19 @@ version = "0.16.0"
 dependencies = [
  "boa_macros",
  "boa_profiler",
+ "thin-vec",
+]
+
+[[package]]
+name = "boa_icu_provider"
+version = "0.16.0"
+dependencies = [
+ "icu_collections",
+ "icu_normalizer",
+ "icu_properties",
+ "icu_provider",
+ "once_cell",
+ "zerovec",
 ]
 
 [[package]]
@@ -101,7 +152,9 @@ name = "boa_interner"
 version = "0.16.0"
 dependencies = [
  "arbitrary",
+ "boa_gc",
  "boa_macros",
+ "hashbrown 0.13.2",
  "indexmap",
  "once_cell",
  "phf",
@@ -115,23 +168,26 @@ version = "0.16.0"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
- "synstructure",
+ "syn 2.0.18",
+ "synstructure 0.13.0",
 ]
 
 [[package]]
 name = "boa_parser"
 version = "0.16.0"
 dependencies = [
- "bitflags",
+ "bitflags 2.3.1",
  "boa_ast",
+ "boa_icu_provider",
  "boa_interner",
  "boa_macros",
  "boa_profiler",
- "boa_unicode",
  "fast-float",
+ "icu_properties",
  "num-bigint",
  "num-traits",
+ "once_cell",
+ "regress",
  "rustc-hash",
 ]
 
@@ -139,13 +195,6 @@ dependencies = [
 name = "boa_profiler"
 version = "0.16.0"
 
-[[package]]
-name = "boa_unicode"
-version = "0.16.0"
-dependencies = [
- "unicode-general-category",
-]
-
 [[package]]
 name = "bumpalo"
 version = "3.11.1"
@@ -169,16 +218,13 @@ checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
 [[package]]
 name = "chrono"
-version = "0.4.23"
+version = "0.4.26"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "16b0a3d9ed01224b22057780a37bb8c5dbfe1be8ba48678e7bf57ec4b385411f"
+checksum = "ec837a71355b28f6556dbd569b37b3f363091c0bd4b2e735674521b4c5fd9bc5"
 dependencies = [
+ "android-tzdata",
  "iana-time-zone",
- "js-sys",
- "num-integer",
  "num-traits",
- "time",
- "wasm-bindgen",
  "winapi",
 ]
 
@@ -198,6 +244,12 @@ version = "0.8.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5827cebf4670468b8772dd191856768aedcb1b0278a04f989f7766351917b9dc"
 
+[[package]]
+name = "critical-section"
+version = "1.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6548a0ad5d2549e111e1f6a11a6c2e2d00ce6a3dafe22948d67c2b443f775e52"
+
 [[package]]
 name = "cxx"
 version = "1.0.80"
@@ -222,7 +274,7 @@ dependencies = [
  "proc-macro2",
  "quote",
  "scratch",
- "syn",
+ "syn 1.0.103",
 ]
 
 [[package]]
@@ -239,7 +291,20 @@ checksum = "309e4fb93eed90e1e14bea0da16b209f81813ba9fc7830c20ed151dd7bc0a4d7"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 1.0.103",
+]
+
+[[package]]
+name = "dashmap"
+version = "5.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "907076dfda823b0b36d2a1bb5f90c96660a5bbcd7729e10727f07858f22c4edc"
+dependencies = [
+ "cfg-if",
+ "hashbrown 0.12.3",
+ "lock_api",
+ "once_cell",
+ "parking_lot_core",
 ]
 
 [[package]]
@@ -250,14 +315,25 @@ checksum = "4903dff04948f22033ca30232ab8eca2c3fc4c913a8b6a34ee5199699814817f"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 1.0.103",
+]
+
+[[package]]
+name = "displaydoc"
+version = "0.2.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "487585f4d0c6655fe74905e2504d8ad6908e4db67f744eb140876906c2f3175d"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.18",
 ]
 
 [[package]]
-name = "dyn-clone"
-version = "1.0.9"
+name = "either"
+version = "1.8.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4f94fa09c2aeea5b8839e414b7b841bf429fd25b9c522116ac97ee87856d88b2"
+checksum = "7fcaabb2fef8c910e7f4c7ce9f67a1283a1715879a7c230ca9d6d1ae31f16d91"
 
 [[package]]
 name = "fast-float"
@@ -273,7 +349,7 @@ checksum = "c05aeb6a22b8f62540c194aac980f2115af067bfe15a0734d7277a768d396b31"
 dependencies = [
  "cfg-if",
  "libc",
- "wasi 0.11.0+wasi-snapshot-preview1",
+ "wasi",
 ]
 
 [[package]]
@@ -282,6 +358,15 @@ version = "0.12.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8a9ee70c43aaf417c914396645a0fa852624801b24ebb7ae78fe8272889ac888"
 
+[[package]]
+name = "hashbrown"
+version = "0.13.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "43a3c133739dddd0d2990f9a4bdf8eb4b21ef50e4851ca85ab661199821d510e"
+dependencies = [
+ "ahash",
+]
+
 [[package]]
 name = "iana-time-zone"
 version = "0.1.53"
@@ -306,14 +391,105 @@ dependencies = [
  "cxx-build",
 ]
 
+[[package]]
+name = "icu_collections"
+version = "1.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ef8302d8dfd6044d3ddb3f807a5ef3d7bbca9a574959c6d6e4dc39aa7012d0d5"
+dependencies = [
+ "displaydoc",
+ "yoke",
+ "zerofrom",
+ "zerovec",
+]
+
+[[package]]
+name = "icu_locid"
+version = "1.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3003f85dccfc0e238ff567693248c59153a46f4e6125ba4020b973cef4d1d335"
+dependencies = [
+ "displaydoc",
+ "litemap",
+ "tinystr",
+ "writeable",
+]
+
+[[package]]
+name = "icu_normalizer"
+version = "1.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "652869735c9fb9f5a64ba180ee16f2c848390469c116deef517ecc53f4343598"
+dependencies = [
+ "displaydoc",
+ "icu_collections",
+ "icu_properties",
+ "icu_provider",
+ "smallvec",
+ "utf16_iter",
+ "utf8_iter",
+ "write16",
+ "zerovec",
+]
+
+[[package]]
+name = "icu_properties"
+version = "1.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ce0e1aa26851f16c9e04412a5911c86b7f8768dac8f8d4c5f1c568a7e5d7a434"
+dependencies = [
+ "displaydoc",
+ "icu_collections",
+ "icu_provider",
+ "tinystr",
+ "zerovec",
+]
+
+[[package]]
+name = "icu_provider"
+version = "1.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8dc312a7b6148f7dfe098047ae2494d12d4034f48ade58d4f353000db376e305"
+dependencies = [
+ "displaydoc",
+ "icu_locid",
+ "icu_provider_macros",
+ "serde",
+ "stable_deref_trait",
+ "writeable",
+ "yoke",
+ "zerofrom",
+ "zerovec",
+]
+
+[[package]]
+name = "icu_provider_macros"
+version = "1.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dd8b728b9421e93eff1d9f8681101b78fa745e0748c95c655c83f337044a7e10"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 1.0.103",
+]
+
 [[package]]
 name = "indexmap"
-version = "1.9.1"
+version = "1.9.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "10a35a97730320ffe8e2d410b5d3b69279b98d2c14bdb8b70ea89ecf7888d41e"
+checksum = "bd070e393353796e801d209ad339e89596eb4c8d430d18ede6a1cced8fafbd99"
 dependencies = [
  "autocfg",
- "hashbrown",
+ "hashbrown 0.12.3",
+]
+
+[[package]]
+name = "itertools"
+version = "0.10.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b0fd2260e829bddf4cb6ea802289de2f86d6a7a690192fbe91b3f46e0f2c8473"
+dependencies = [
+ "either",
 ]
 
 [[package]]
@@ -366,6 +542,22 @@ dependencies = [
  "cc",
 ]
 
+[[package]]
+name = "litemap"
+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3a04a5b2b6f54acba899926491d0a6c59d98012938ca2ab5befb281c034e8f94"
+
+[[package]]
+name = "lock_api"
+version = "0.4.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "435011366fe56583b16cf956f9df0095b405b82d76425bc8981c0e22e60ec4df"
+dependencies = [
+ "autocfg",
+ "scopeguard",
+]
+
 [[package]]
 name = "log"
 version = "0.4.17"
@@ -413,11 +605,49 @@ dependencies = [
  "autocfg",
 ]
 
+[[package]]
+name = "num_enum"
+version = "0.6.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7a015b430d3c108a207fd776d2e2196aaf8b1cf8cf93253e3a097ff3085076a1"
+dependencies = [
+ "num_enum_derive",
+]
+
+[[package]]
+name = "num_enum_derive"
+version = "0.6.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "96667db765a921f7b295ffee8b60472b686a51d4f21c2ee4ffdb94c7013b65a6"
+dependencies = [
+ "proc-macro-crate",
+ "proc-macro2",
+ "quote",
+ "syn 2.0.18",
+]
+
 [[package]]
 name = "once_cell"
-version = "1.16.0"
+version = "1.17.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "86f0b0d4bf799edbc74508c1e8bf170ff5f41238e5f8225603ca7caaae2b7860"
+checksum = "9670a07f94779e00908f3e686eab508878ebb390ba6e604d3a284c00e8d0487b"
+dependencies = [
+ "atomic-polyfill",
+ "critical-section",
+]
+
+[[package]]
+name = "parking_lot_core"
+version = "0.9.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9069cbb9f99e3a5083476ccb29ceb1de18b9118cafa53e90c9551235de2b9521"
+dependencies = [
+ "cfg-if",
+ "libc",
+ "redox_syscall",
+ "smallvec",
+ "windows-sys",
+]
 
 [[package]]
 name = "phf"
@@ -449,7 +679,7 @@ dependencies = [
  "phf_shared",
  "proc-macro2",
  "quote",
- "syn",
+ "syn 1.0.103",
 ]
 
 [[package]]
@@ -461,26 +691,42 @@ dependencies = [
  "siphasher",
 ]
 
+[[package]]
+name = "pollster"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "22686f4785f02a4fcc856d3b3bb19bf6c8160d103f7a99cc258bddd0251dc7f2"
+
 [[package]]
 name = "ppv-lite86"
 version = "0.2.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5b40af805b3121feab8a3c29f04d8ad262fa8e0561883e7653e024ae4479e6de"
 
+[[package]]
+name = "proc-macro-crate"
+version = "1.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7f4c021e1093a56626774e81216a4ce732a735e5bad4868a03f3ed65ca0c3919"
+dependencies = [
+ "once_cell",
+ "toml_edit",
+]
+
 [[package]]
 name = "proc-macro2"
-version = "1.0.47"
+version = "1.0.59"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5ea3d908b0e36316caf9e9e2c4625cdde190a7e6f440d794667ed17a1855e725"
+checksum = "6aeca18b86b413c660b781aa319e4e2648a3e6f9eadc9b47e9038e6fe9f3451b"
 dependencies = [
  "unicode-ident",
 ]
 
 [[package]]
 name = "quote"
-version = "1.0.21"
+version = "1.0.28"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bbe448f377a7d6961e30f5955f9b8d106c3f5e449d493ee1b125c1d43c2b5179"
+checksum = "1b9ab9c7eadfd8df19006f1cf1a4aed13540ed5cbc047010ece5826e10825488"
 dependencies = [
  "proc-macro2",
 ]
@@ -515,12 +761,22 @@ dependencies = [
  "getrandom",
 ]
 
+[[package]]
+name = "redox_syscall"
+version = "0.2.16"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fb5a58c1855b4b6819d59012155603f0b22ad30cad752600aadfcb695265519a"
+dependencies = [
+ "bitflags 1.3.2",
+]
+
 [[package]]
 name = "regress"
-version = "0.4.1"
+version = "0.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0a92ff21fe8026ce3f2627faaf43606f0b67b014dbc9ccf027181a804f75d92e"
+checksum = "82a9ecfa0cb04d0b04dddb99b8ccf4f66bc8dfd23df694b398570bd8ae3a50fb"
 dependencies = [
+ "hashbrown 0.13.2",
  "memchr",
 ]
 
@@ -542,6 +798,12 @@ version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6518fc26bced4d53678a22d6e423e9d8716377def84545fe328236e3af070e7f"
 
+[[package]]
+name = "scopeguard"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d29ab0c6d3fc0ee92fe66e2d99f700eab17a8d57d1c1d3b748380fb20baa78cd"
+
 [[package]]
 name = "scratch"
 version = "1.0.2"
@@ -550,29 +812,29 @@ checksum = "9c8132065adcfd6e02db789d9285a0deb2f3fcb04002865ab67d5fb103533898"
 
 [[package]]
 name = "serde"
-version = "1.0.147"
+version = "1.0.163"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d193d69bae983fc11a79df82342761dfbf28a99fc8d203dca4c3c1b590948965"
+checksum = "2113ab51b87a539ae008b5c6c02dc020ffa39afd2d83cffcb3f4eb2722cebec2"
 dependencies = [
  "serde_derive",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.147"
+version = "1.0.163"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4f1d362ca8fc9c3e3a7484440752472d68a6caa98f1ab81d99b5dfe517cec852"
+checksum = "8c805777e3930c8883389c602315a24224bcc738b63905ef87cd1420353ea93e"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.18",
 ]
 
 [[package]]
 name = "serde_json"
-version = "1.0.87"
+version = "1.0.96"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6ce777b7b150d76b9cf60d28b55f5847135a003f7d7350c6be7a773508ce7d45"
+checksum = "057d394a50403bcac12672b2b18fb387ab6d289d957dab67dd201875391e52f1"
 dependencies = [
  "itoa",
  "ryu",
@@ -585,12 +847,24 @@ version = "0.3.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7bd3e3206899af3f8b12af284fafc038cc1dc2b41d1b89dd17297221c5d225de"
 
+[[package]]
+name = "smallvec"
+version = "1.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a507befe795404456341dfab10cef66ead4c041f62b8b11bbb92bffe5d0953e0"
+
 [[package]]
 name = "sptr"
 version = "0.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3b9b39299b249ad65f3b7e96443bad61c02ca5cd3589f46cb6d610a0fd6c0d6a"
 
+[[package]]
+name = "stable_deref_trait"
+version = "1.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a8f112729512f8e442d81f95a8a7ddf2b7c6b8a1a6f509a95864142b30cab2d3"
+
 [[package]]
 name = "static_assertions"
 version = "1.1.0"
@@ -608,6 +882,17 @@ dependencies = [
  "unicode-ident",
 ]
 
+[[package]]
+name = "syn"
+version = "2.0.18"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "32d41677bcbe24c20c52e7c70b0d8db04134c5d1066bf98662e2871ad200ea3e"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "unicode-ident",
+]
+
 [[package]]
 name = "synstructure"
 version = "0.12.6"
@@ -616,7 +901,19 @@ checksum = "f36bdaa60a83aca3921b5259d5400cbf5e90fc51931376a9bd4a0eb79aa7210f"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 1.0.103",
+ "unicode-xid",
+]
+
+[[package]]
+name = "synstructure"
+version = "0.13.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "285ba80e733fac80aa4270fbcdf83772a79b80aa35c97075320abfee4a915b06"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.18",
  "unicode-xid",
 ]
 
@@ -635,57 +932,58 @@ dependencies = [
  "winapi-util",
 ]
 
+[[package]]
+name = "thin-vec"
+version = "0.2.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "aac81b6fd6beb5884b0cf3321b8117e6e5d47ecb6fc89f414cfdcca8b2fe2dd8"
+
 [[package]]
 name = "thiserror"
-version = "1.0.37"
+version = "1.0.40"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "10deb33631e3c9018b9baf9dcbbc4f737320d2b576bac10f6aefa048fa407e3e"
+checksum = "978c9a314bd8dc99be594bc3c175faaa9794be04a5a5e153caba6915336cebac"
 dependencies = [
  "thiserror-impl",
 ]
 
 [[package]]
 name = "thiserror-impl"
-version = "1.0.37"
+version = "1.0.40"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "982d17546b47146b28f7c22e3d08465f6b8903d0ea13c1660d9d84a6e7adcdbb"
+checksum = "f9456a42c5b0d803c8cd86e73dd7cc9edd429499f37a3550d286d5e86720569f"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
-]
-
-[[package]]
-name = "time"
-version = "0.1.44"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6db9e6914ab8b1ae1c260a4ae7a49b6c5611b40328a735b21862567685e73255"
-dependencies = [
- "libc",
- "wasi 0.10.0+wasi-snapshot-preview1",
- "winapi",
+ "syn 2.0.18",
 ]
 
 [[package]]
-name = "tinyvec"
-version = "1.6.0"
+name = "tinystr"
+version = "0.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "87cc5ceb3875bb20c2890005a4e226a4651264a5c75edb2421b52861a0a0cb50"
+checksum = "7ac3f5b6856e931e15e07b478e98c8045239829a65f9156d4fa7e7788197a5ef"
 dependencies = [
- "tinyvec_macros",
+ "displaydoc",
+ "zerovec",
 ]
 
 [[package]]
-name = "tinyvec_macros"
-version = "0.1.0"
+name = "toml_datetime"
+version = "0.6.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cda74da7e1a664f795bb1f8a87ec406fb89a02522cf6e50620d016add6dbbf5c"
+checksum = "5a76a9312f5ba4c2dec6b9161fdf25d87ad8a09256ccea5a556fef03c706a10f"
 
 [[package]]
-name = "unicode-general-category"
-version = "0.6.0"
+name = "toml_edit"
+version = "0.19.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2281c8c1d221438e373249e065ca4989c4c36952c211ff21a0ee91c44a3869e7"
+checksum = "2380d56e8670370eee6566b0bfd4265f65b3f432e8c6d85623f728d4fa31f739"
+dependencies = [
+ "indexmap",
+ "toml_datetime",
+ "winnow",
+]
 
 [[package]]
 name = "unicode-ident"
@@ -693,15 +991,6 @@ version = "1.0.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6ceab39d59e4c9499d4e5a8ee0e2735b891bb7308ac83dfb4e80cad195c9f6f3"
 
-[[package]]
-name = "unicode-normalization"
-version = "0.1.22"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5c5713f0fc4b5db668a2ac63cdb7bb4469d8c9fed047b1d0292cc7b0ce2ba921"
-dependencies = [
- "tinyvec",
-]
-
 [[package]]
 name = "unicode-width"
 version = "0.1.10"
@@ -715,10 +1004,22 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f962df74c8c05a667b5ee8bcf162993134c104e96440b663c8daa176dc772d8c"
 
 [[package]]
-name = "wasi"
-version = "0.10.0+wasi-snapshot-preview1"
+name = "utf16_iter"
+version = "1.0.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "52df8b7fb78e7910d776fccf2e42ceaf3604d55e8e7eb2dbd183cb1441d8a692"
+
+[[package]]
+name = "utf8_iter"
+version = "1.0.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "64a8922555b9500e3d865caed19330172cd67cbf82203f1a3311d8c305cc9f33"
+
+[[package]]
+name = "version_check"
+version = "0.9.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1a143597ca7c7793eff794def352d41792a93c481eb1042423ff7ff72ba2c31f"
+checksum = "49874b5167b65d7193b8aba1567f5c7d93d001cafc34600cee003eda787e483f"
 
 [[package]]
 name = "wasi"
@@ -747,7 +1048,7 @@ dependencies = [
  "once_cell",
  "proc-macro2",
  "quote",
- "syn",
+ "syn 1.0.103",
  "wasm-bindgen-shared",
 ]
 
@@ -769,7 +1070,7 @@ checksum = "07bc0c051dc5f23e307b13285f9d75df86bfdf816c5721e573dec1f9b8aa193c"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 1.0.103",
  "wasm-bindgen-backend",
  "wasm-bindgen-shared",
 ]
@@ -810,3 +1111,158 @@ name = "winapi-x86_64-pc-windows-gnu"
 version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
+
+[[package]]
+name = "windows-sys"
+version = "0.45.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "75283be5efb2831d37ea142365f009c02ec203cd29a3ebecbc093d52315b66d0"
+dependencies = [
+ "windows-targets",
+]
+
+[[package]]
+name = "windows-targets"
+version = "0.42.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8e5180c00cd44c9b1c88adb3693291f1cd93605ded80c250a75d472756b4d071"
+dependencies = [
+ "windows_aarch64_gnullvm",
+ "windows_aarch64_msvc",
+ "windows_i686_gnu",
+ "windows_i686_msvc",
+ "windows_x86_64_gnu",
+ "windows_x86_64_gnullvm",
+ "windows_x86_64_msvc",
+]
+
+[[package]]
+name = "windows_aarch64_gnullvm"
+version = "0.42.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "597a5118570b68bc08d8d59125332c54f1ba9d9adeedeef5b99b02ba2b0698f8"
+
+[[package]]
+name = "windows_aarch64_msvc"
+version = "0.42.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e08e8864a60f06ef0d0ff4ba04124db8b0fb3be5776a5cd47641e942e58c4d43"
+
+[[package]]
+name = "windows_i686_gnu"
+version = "0.42.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c61d927d8da41da96a81f029489353e68739737d3beca43145c8afec9a31a84f"
+
+[[package]]
+name = "windows_i686_msvc"
+version = "0.42.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "44d840b6ec649f480a41c8d80f9c65108b92d89345dd94027bfe06ac444d1060"
+
+[[package]]
+name = "windows_x86_64_gnu"
+version = "0.42.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8de912b8b8feb55c064867cf047dda097f92d51efad5b491dfb98f6bbb70cb36"
+
+[[package]]
+name = "windows_x86_64_gnullvm"
+version = "0.42.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "26d41b46a36d453748aedef1486d5c7a85db22e56aff34643984ea85514e94a3"
+
+[[package]]
+name = "windows_x86_64_msvc"
+version = "0.42.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9aec5da331524158c6d1a4ac0ab1541149c0b9505fde06423b02f5ef0106b9f0"
+
+[[package]]
+name = "winnow"
+version = "0.4.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "61de7bac303dc551fe038e2b3cef0f571087a47571ea6e79a87692ac99b99699"
+dependencies = [
+ "memchr",
+]
+
+[[package]]
+name = "write16"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d1890f4022759daae28ed4fe62859b1236caebfc61ede2f63ed4e695f3f6d936"
+
+[[package]]
+name = "writeable"
+version = "0.5.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "60e49e42bdb1d5dc76f4cd78102f8f0714d32edfa3efb82286eb0f0b1fc0da0f"
+
+[[package]]
+name = "yoke"
+version = "0.7.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1848075a23a28f9773498ee9a0f2cf58fcbad4f8c0ccf84a210ab33c6ae495de"
+dependencies = [
+ "serde",
+ "stable_deref_trait",
+ "yoke-derive",
+ "zerofrom",
+]
+
+[[package]]
+name = "yoke-derive"
+version = "0.7.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "af46c169923ed7516eef0aa32b56d2651b229f57458ebe46b49ddd6efef5b7a2"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 1.0.103",
+ "synstructure 0.12.6",
+]
+
+[[package]]
+name = "zerofrom"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "df54d76c3251de27615dfcce21e636c172dafb2549cd7fd93e21c66f6ca6bea2"
+dependencies = [
+ "zerofrom-derive",
+]
+
+[[package]]
+name = "zerofrom-derive"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b4eae7c1f7d4b8eafce526bc0771449ddc2f250881ae31c50d22c032b5a1c499"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 1.0.103",
+ "synstructure 0.12.6",
+]
+
+[[package]]
+name = "zerovec"
+version = "0.9.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "198f54134cd865f437820aa3b43d0ad518af4e68ee161b444cdd15d8e567c8ea"
+dependencies = [
+ "yoke",
+ "zerofrom",
+ "zerovec-derive",
+]
+
+[[package]]
+name = "zerovec-derive"
+version = "0.9.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "486558732d5dde10d0f8cb2936507c1bb21bc539d924c949baf5f36a58e51bac"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 1.0.103",
+ "synstructure 0.12.6",
+]
diff --git a/fuzz/Cargo.toml b/fuzz/Cargo.toml
index 6a2f05bda8..4c34163eb7 100644
--- a/fuzz/Cargo.toml
+++ b/fuzz/Cargo.toml
@@ -10,6 +10,7 @@ cargo-fuzz = true
 [dependencies]
 libfuzzer-sys = "0.4"
 
+arbitrary = "1"
 boa_ast = { path = "../boa_ast", features = ["arbitrary"] }
 boa_engine = { path = "../boa_engine", features = ["fuzz"] }
 boa_interner = { path = "../boa_interner", features = ["arbitrary"] }
diff --git a/fuzz/fuzz_targets/bytecompiler-implied.rs b/fuzz/fuzz_targets/bytecompiler-implied.rs
index 5d4840600e..cb7164f24a 100644
--- a/fuzz/fuzz_targets/bytecompiler-implied.rs
+++ b/fuzz/fuzz_targets/bytecompiler-implied.rs
@@ -3,8 +3,8 @@
 mod common;
 
 use crate::common::FuzzSource;
-use boa_engine::Context;
-use boa_parser::Parser;
+use boa_engine::{Context, Script};
+use boa_parser::Source;
 use libfuzzer_sys::{fuzz_target, Corpus};
 use std::io::Cursor;
 
@@ -12,10 +12,14 @@ fn do_fuzz(original: FuzzSource) -> Corpus {
     let mut ctx = Context::builder()
         .interner(original.interner)
         .instructions_remaining(0)
-        .build();
-    let mut parser = Parser::new(Cursor::new(&original.source));
-    if let Ok(parsed) = parser.parse_script(ctx.interner_mut()) {
-        let _ = ctx.compile(&parsed);
+        .build()
+        .unwrap();
+    if let Ok(parsed) = Script::parse(
+        Source::from_reader(Cursor::new(&original.source), None),
+        None,
+        &mut ctx,
+    ) {
+        let _ = parsed.codeblock(&mut ctx);
         Corpus::Keep
     } else {
         Corpus::Reject
diff --git a/fuzz/fuzz_targets/common.rs b/fuzz/fuzz_targets/common.rs
index 8d4c50b542..06751f7083 100644
--- a/fuzz/fuzz_targets/common.rs
+++ b/fuzz/fuzz_targets/common.rs
@@ -1,10 +1,9 @@
+use arbitrary::{Arbitrary, Unstructured};
 use boa_ast::{
     visitor::{VisitWith, VisitorMut},
     Expression, StatementList,
 };
 use boa_interner::{Interner, Sym, ToInternedString};
-use libfuzzer_sys::arbitrary;
-use libfuzzer_sys::arbitrary::{Arbitrary, Unstructured};
 use std::fmt::{Debug, Formatter};
 use std::ops::ControlFlow;
 
diff --git a/fuzz/fuzz_targets/parser-idempotency.rs b/fuzz/fuzz_targets/parser-idempotency.rs
index ec3f49e725..d784708b87 100644
--- a/fuzz/fuzz_targets/parser-idempotency.rs
+++ b/fuzz/fuzz_targets/parser-idempotency.rs
@@ -4,7 +4,7 @@ mod common;
 
 use crate::common::FuzzData;
 use boa_interner::ToInternedString;
-use boa_parser::Parser;
+use boa_parser::{Parser, Source};
 use libfuzzer_sys::fuzz_target;
 use libfuzzer_sys::Corpus;
 use std::error::Error;
@@ -16,7 +16,7 @@ use std::io::Cursor;
 fn do_fuzz(mut data: FuzzData) -> Result<(), Box<dyn Error>> {
     let original = data.ast.to_interned_string(&data.interner);
 
-    let mut parser = Parser::new(Cursor::new(&original));
+    let mut parser = Parser::new(Source::from_reader(Cursor::new(&original), None));
 
     let before = data.interner.len();
     // For a variety of reasons, we may not actually produce valid code here (e.g., nameless function).
@@ -34,7 +34,7 @@ fn do_fuzz(mut data: FuzzData) -> Result<(), Box<dyn Error>> {
             data.ast,
             first
         );
-        let mut parser = Parser::new(Cursor::new(&first_interned));
+        let mut parser = Parser::new(Source::from_reader(Cursor::new(&first_interned), None));
 
         // Now, we most assuredly should produce valid code. It has already gone through a first pass.
         let second = parser
diff --git a/fuzz/fuzz_targets/vm-implied.rs b/fuzz/fuzz_targets/vm-implied.rs
index 77d4c14b3b..26d790dcf3 100644
--- a/fuzz/fuzz_targets/vm-implied.rs
+++ b/fuzz/fuzz_targets/vm-implied.rs
@@ -4,14 +4,17 @@ mod common;
 
 use crate::common::FuzzSource;
 use boa_engine::{Context, JsResult, JsValue};
+use boa_parser::Source;
 use libfuzzer_sys::fuzz_target;
+use std::io::Cursor;
 
 fn do_fuzz(original: FuzzSource) -> JsResult<JsValue> {
     let mut ctx = Context::builder()
         .interner(original.interner)
         .instructions_remaining(1 << 16)
-        .build();
-    ctx.eval(&original.source)
+        .build()
+        .unwrap();
+    ctx.eval(Source::from_reader(Cursor::new(&original.source), None))
 }
 
 fuzz_target!(|original: FuzzSource| {