diff --git a/Cargo.lock b/Cargo.lock
index 41eed11e5a..5ee0a435a2 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -3391,9 +3391,9 @@ dependencies = [
 
 [[package]]
 name = "serde_yaml"
-version = "0.9.32"
+version = "0.9.33"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8fd075d994154d4a774f95b51fb96bdc2832b0ea48425c92546073816cda1f2f"
+checksum = "a0623d197252096520c6f2a5e1171ee436e5af99a5d7caa2891e55e61950e6d9"
 dependencies = [
  "indexmap 2.2.5",
  "itoa",
@@ -4069,9 +4069,9 @@ checksum = "e51733f11c9c4f72aa0c160008246859e340b00807569a0da0e7a1079b27ba85"
 
 [[package]]
 name = "unsafe-libyaml"
-version = "0.2.10"
+version = "0.2.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ab4c90930b95a82d00dc9e9ac071b4991924390d46cbd0dfe566148667605e4b"
+checksum = "673aac59facbab8a9007c7f6108d11f63b603f7cabff99fabf650fea5c32b861"
 
 [[package]]
 name = "untrusted"
diff --git a/tests/tester/Cargo.toml b/tests/tester/Cargo.toml
index eee76fa66e..cc490a4264 100644
--- a/tests/tester/Cargo.toml
+++ b/tests/tester/Cargo.toml
@@ -17,7 +17,7 @@ boa_runtime.workspace = true
 boa_gc.workspace = true
 clap = { workspace = true, features = ["derive"] }
 serde = { workspace = true, features = ["derive"] }
-serde_yaml = "0.9.32"
+serde_yaml = "0.9.33"
 serde_json.workspace = true
 bitflags.workspace = true
 regex.workspace = true