diff --git a/Cargo.lock b/Cargo.lock
index 33f319f574..c242a4aab6 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -809,9 +809,9 @@ dependencies = [
 
 [[package]]
 name = "once_cell"
-version = "1.8.0"
+version = "1.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "692fcb63b64b1758029e0a96ee63e049ce8c5948587f2f7208df04625e5f6b56"
+checksum = "da32515d9f6e6e489d7bc9d84c71b060db7247dc035bbe44eac88cf87486d8d5"
 
 [[package]]
 name = "oorandom"
diff --git a/boa/Cargo.toml b/boa/Cargo.toml
index d65f21d372..310244107f 100644
--- a/boa/Cargo.toml
+++ b/boa/Cargo.toml
@@ -39,7 +39,7 @@ chrono = "0.4.19"
 fast-float = "0.2.0"
 unicode-normalization = "0.1.19"
 dyn-clone = "1.0.4"
-once_cell = "1.8.0"
+once_cell = "1.9.0"
 
 # Optional Dependencies
 measureme = { version = "10.0.0", optional = true }
diff --git a/boa_tester/Cargo.toml b/boa_tester/Cargo.toml
index 0b00adf28d..b39737da3d 100644
--- a/boa_tester/Cargo.toml
+++ b/boa_tester/Cargo.toml
@@ -22,7 +22,7 @@ serde_yaml = "0.8.23"
 serde_json = "1.0.73"
 bitflags = "1.3.2"
 regex = "1.5.4"
-once_cell = "1.8.0"
+once_cell = "1.9.0"
 colored = "2.0.0"
 fxhash = "0.2.1"
 git2 = "0.13.25"