diff --git a/Cargo.lock b/Cargo.lock
index c185811a41..3a2b303dbd 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1131,9 +1131,9 @@ dependencies = [
 
 [[package]]
 name = "serde_yaml"
-version = "0.8.14"
+version = "0.8.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f7baae0a99f1a324984bcdc5f0718384c1f69775f1c7eec8b859b71b443e3fd7"
+checksum = "971be8f6e4d4a47163b405a3df70d14359186f9ab0f3a3ec37df144ca1ce089f"
 dependencies = [
  "dtoa",
  "linked-hash-map",
@@ -1446,9 +1446,9 @@ checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
 
 [[package]]
 name = "yaml-rust"
-version = "0.4.4"
+version = "0.4.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "39f0c922f1a334134dc2f7a8b67dc5d25f0735263feec974345ff706bcf20b0d"
+checksum = "56c1936c4cc7a1c9ab21a1ebb602eb942ba868cbd44a99cb7cdc5892335e1c85"
 dependencies = [
  "linked-hash-map",
 ]
diff --git a/boa_tester/Cargo.toml b/boa_tester/Cargo.toml
index cd9da119f6..4f80d83a78 100644
--- a/boa_tester/Cargo.toml
+++ b/boa_tester/Cargo.toml
@@ -14,7 +14,7 @@ edition = "2018"
 Boa = { path = "../boa" }
 structopt = "0.3.21"
 serde = { version = "1.0.118", features = ["derive"] }
-serde_yaml = "0.8.14"
+serde_yaml = "0.8.15"
 serde_json = "1.0.61"
 bitflags = "1.2.1"
 regex = "1.4.2"