diff --git a/Cargo.lock b/Cargo.lock
index b01cf809c8..60a12e46c3 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -3295,9 +3295,9 @@ dependencies = [
 
 [[package]]
 name = "serde_yaml"
-version = "0.9.28"
+version = "0.9.29"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9269cfafc7e0257ee4a42f3f68a307f458c63d9e7c8ba4b58c5d15f1b7d7e8d3"
+checksum = "a15e0ef66bf939a7c890a0bf6d5a733c70202225f9888a89ed5c62298b019129"
 dependencies = [
  "indexmap 2.1.0",
  "itoa",
diff --git a/tests/tester/Cargo.toml b/tests/tester/Cargo.toml
index 6a49ea99e9..503391e1bc 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 = "0.9.28"
+serde_yaml = "0.9.29"
 serde_json.workspace = true
 bitflags.workspace = true
 regex.workspace = true