diff --git a/Cargo.toml b/Cargo.toml
index d7c0c29..4199b36 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -25,7 +25,7 @@ urlencoding = "2"
 serde = { version = "1", features = ["derive"] }
 serde_json = "1"
 criterion = "0.5"
-rstest = "0.19"
+rstest = "0.21"
 
 [[bench]]
 name = "benchmark"