diff --git a/Cargo.lock b/Cargo.lock
index d7746bd33f..be78bea9e8 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -3550,9 +3550,9 @@ checksum = "388a1df253eca08550bef6c72392cfe7c30914bf41df5269b68cbd6ff8f570a3"
 
 [[package]]
 name = "serde"
-version = "1.0.186"
+version = "1.0.188"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9f5db24220c009de9bd45e69fb2938f4b6d2df856aa9304ce377b3180f83b7c1"
+checksum = "cf9e0fcba69a370eed61bcf2b728575f726b50b55cba78064753d708ddc7549e"
 dependencies = [
  "serde_derive",
 ]
@@ -3588,9 +3588,9 @@ dependencies = [
 
 [[package]]
 name = "serde_derive"
-version = "1.0.186"
+version = "1.0.188"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5ad697f7e0b65af4983a4ce8f56ed5b357e8d3c36651bf6a7e13639c17b8e670"
+checksum = "4eca7ac642d82aa35b60049a6eccb4be6be75e599bd2e9adb5f875a737654af2"
 dependencies = [
  "proc-macro2",
  "quote",
diff --git a/boa_ast/Cargo.toml b/boa_ast/Cargo.toml
index badc10ff6f..d7406f8b02 100644
--- a/boa_ast/Cargo.toml
+++ b/boa_ast/Cargo.toml
@@ -20,6 +20,6 @@ boa_macros.workspace = true
 rustc-hash = "1.1.0"
 bitflags = "2.4.0"
 num-bigint = "0.4.3"
-serde = { version = "1.0.186", features = ["derive"], optional = true }
+serde = { version = "1.0.188", features = ["derive"], optional = true }
 arbitrary = { version = "1", features = ["derive"], optional = true }
 indexmap = "2.0.0"
diff --git a/boa_engine/Cargo.toml b/boa_engine/Cargo.toml
index 2acc415b9f..a2314b396b 100644
--- a/boa_engine/Cargo.toml
+++ b/boa_engine/Cargo.toml
@@ -53,7 +53,7 @@ boa_macros.workspace = true
 boa_ast.workspace = true
 boa_parser.workspace = true
 boa_icu_provider.workspace = true
-serde = { version = "1.0.186", features = ["derive", "rc"] }
+serde = { version = "1.0.188", features = ["derive", "rc"] }
 serde_json = "1.0.105"
 rand = "0.8.5"
 num-traits = "0.2.16"
diff --git a/boa_interner/Cargo.toml b/boa_interner/Cargo.toml
index af2091c941..3752bac62d 100644
--- a/boa_interner/Cargo.toml
+++ b/boa_interner/Cargo.toml
@@ -22,6 +22,6 @@ rustc-hash = { version = "1.1.0", default-features = false }
 static_assertions = "1.1.0"
 once_cell = {version = "1.18.0", default-features = false, features = ["critical-section"]}
 indexmap = "2.0.0"
-serde = { version = "1.0.186", features = ["derive"], optional = true }
+serde = { version = "1.0.188", features = ["derive"], optional = true }
 arbitrary = { version = "1", features = ["derive"], optional = true }
 hashbrown = { version = "0.14.0", default-features = false, features = ["inline-more"] }
diff --git a/boa_tester/Cargo.toml b/boa_tester/Cargo.toml
index aefdc05b44..8efef420f9 100644
--- a/boa_tester/Cargo.toml
+++ b/boa_tester/Cargo.toml
@@ -15,7 +15,7 @@ rust-version.workspace = true
 boa_engine.workspace = true
 boa_gc.workspace = true
 clap = { version = "4.3.24", features = ["derive"] }
-serde = { version = "1.0.186", features = ["derive"] }
+serde = { version = "1.0.188", features = ["derive"] }
 serde_yaml = "0.9.25"
 serde_json = "1.0.105"
 bitflags = "2.4.0"