diff --git a/Cargo.lock b/Cargo.lock
index 251d1849b4..854389809f 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -12158,9 +12158,9 @@ dependencies = [
 
 [[package]]
 name = "toml"
-version = "0.5.8"
+version = "0.5.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a31142970826733df8241ef35dc040ef98c679ab14d7c3e54d827099b3acecaa"
+checksum = "8d82e1a7758622a465f8cee077614c73484dac5b836c02ff6a40d5d1010324d7"
 dependencies = [
  "serde",
 ]
diff --git a/test/relay-validation-worker-provider/Cargo.toml b/test/relay-validation-worker-provider/Cargo.toml
index b07112a1a7..8d1be98155 100644
--- a/test/relay-validation-worker-provider/Cargo.toml
+++ b/test/relay-validation-worker-provider/Cargo.toml
@@ -11,4 +11,4 @@ build = "build.rs"
 polkadot-node-core-pvf = { git = "https://github.com/paritytech/polkadot", branch = "master" }
 
 [build-dependencies]
-toml = "0.5.4"
+toml = "0.5.9"