diff --git a/Cargo.toml b/Cargo.toml
index e9b508f..7c13d71 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -53,5 +53,5 @@ rayon = "1"
 rand = { version = "0.8", features = ["small_rng"] }
 pretty_assertions = "1.0"
 metrohash = "1"
-proptest-derive = "0.4"
+proptest-derive = "0.5"
 static_assertions = "1.1.0"