diff --git a/Cargo.toml b/Cargo.toml
index 631e2c3..6e303cb 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -14,6 +14,6 @@ syn = { version = "2", features = ["extra-traits", "derive"] }
 
 [dev-dependencies]
 rustversion = "1.0.20"
-serde = { version = "1.0.219", features = ["derive"] }
+serde = { version = "1.0.228", features = ["derive"] }
 serde_json = "1.0.140"
 trybuild = "1.0.104"