diff --git a/Cargo.lock b/Cargo.lock
index 0ee879bf60..1c77452770 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -326,9 +326,9 @@ checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
 
 [[package]]
 name = "bitflags"
-version = "2.1.0"
+version = "2.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c70beb79cbb5ce9c4f8e20849978f34225931f665bb49efa6982875a4d5facb3"
+checksum = "24a6904aef64d73cf10ab17ebace7befb918b82164785cb89907993be7f83813"
 dependencies = [
  "serde",
 ]
@@ -362,7 +362,7 @@ name = "boa_ast"
 version = "0.16.0"
 dependencies = [
  "arbitrary",
- "bitflags 2.1.0",
+ "bitflags 2.2.1",
  "boa_interner",
  "boa_macros",
  "num-bigint",
@@ -394,7 +394,7 @@ dependencies = [
 name = "boa_engine"
 version = "0.16.0"
 dependencies = [
- "bitflags 2.1.0",
+ "bitflags 2.2.1",
  "boa_ast",
  "boa_gc",
  "boa_icu_provider",
@@ -523,7 +523,7 @@ dependencies = [
 name = "boa_parser"
 version = "0.16.0"
 dependencies = [
- "bitflags 2.1.0",
+ "bitflags 2.2.1",
  "boa_ast",
  "boa_interner",
  "boa_macros",
@@ -560,7 +560,7 @@ dependencies = [
 name = "boa_tester"
 version = "0.16.0"
 dependencies = [
- "bitflags 2.1.0",
+ "bitflags 2.2.1",
  "boa_engine",
  "boa_gc",
  "clap 4.2.4",
diff --git a/boa_ast/Cargo.toml b/boa_ast/Cargo.toml
index 192ad55fcf..6daa072a07 100644
--- a/boa_ast/Cargo.toml
+++ b/boa_ast/Cargo.toml
@@ -18,7 +18,7 @@ arbitrary = ["dep:arbitrary", "boa_interner/arbitrary", "num-bigint/arbitrary"]
 boa_interner.workspace = true
 boa_macros.workspace = true
 rustc-hash = "1.1.0"
-bitflags = "2.1.0"
+bitflags = "2.2.1"
 num-bigint = "0.4.3"
 serde = { version = "1.0.160", features = ["derive"], optional = true }
 arbitrary = { version = "1", features = ["derive"], optional = true }
diff --git a/boa_engine/Cargo.toml b/boa_engine/Cargo.toml
index 93657825b7..7fbc1f8099 100644
--- a/boa_engine/Cargo.toml
+++ b/boa_engine/Cargo.toml
@@ -61,7 +61,7 @@ regress = "0.5.0"
 rustc-hash = "1.1.0"
 num-bigint = { version = "0.4.3", features = ["serde"] }
 num-integer = "0.1.45"
-bitflags = "2.1.0"
+bitflags = "2.2.1"
 indexmap = "1.9.3"
 ryu-js = "0.2.2"
 chrono = { version = "0.4.24", default-features = false, features = ["clock", "std"] }
diff --git a/boa_parser/Cargo.toml b/boa_parser/Cargo.toml
index d7592e3cc7..f1d64c3079 100644
--- a/boa_parser/Cargo.toml
+++ b/boa_parser/Cargo.toml
@@ -19,7 +19,7 @@ boa_unicode.workspace = true
 rustc-hash = "1.1.0"
 fast-float = "0.2.0"
 num-traits = "0.2.15"
-bitflags = "2.1.0"
+bitflags = "2.2.1"
 num-bigint = "0.4.3"
 regress = "0.5.0"
 
diff --git a/boa_tester/Cargo.toml b/boa_tester/Cargo.toml
index 50d79e47cc..762b1809ad 100644
--- a/boa_tester/Cargo.toml
+++ b/boa_tester/Cargo.toml
@@ -18,7 +18,7 @@ clap = { version = "4.2.4", features = ["derive"] }
 serde = { version = "1.0.160", features = ["derive"] }
 serde_yaml = "0.9.21"
 serde_json = "1.0.96"
-bitflags = "2.1.0"
+bitflags = "2.2.1"
 regex = "1.8.0"
 once_cell = "1.17.1"
 colored = "2.0.0"