diff --git a/tabled_derive/Cargo.toml b/tabled_derive/Cargo.toml
index 32c6df39..ad45cae7 100644
--- a/tabled_derive/Cargo.toml
+++ b/tabled_derive/Cargo.toml
@@ -14,5 +14,5 @@ proc-macro = true
 syn = { version = "1", features = ["full", "visit-mut"] }
 quote = "1"
 proc-macro2 = "1"
-heck = "0.4"
+heck = "0.5"
 proc-macro-error2 = "2.0.1"