diff --git a/generator/Cargo.toml b/generator/Cargo.toml
index fe6d0bed..83ebc8bf 100644
--- a/generator/Cargo.toml
+++ b/generator/Cargo.toml
@@ -11,6 +11,6 @@ xml = { package = "xml-rs", version = "0.8" }
 quote = "1.0"
 syn = { version = "2.0", default-features = false, features = ["derive", "printing"] }
 proc-macro2 = "1.0"
-heck = "0.4"
+heck = "0.5"
 indexmap = "2"
 regex = "1.2.1"