diff --git a/strum_macros/Cargo.toml b/strum_macros/Cargo.toml
index 5f36880..16a52c7 100644
--- a/strum_macros/Cargo.toml
+++ b/strum_macros/Cargo.toml
@@ -19,7 +19,7 @@ proc-macro = true
 name = "strum_macros"
 
 [dependencies]
-heck = "0.4.1"
+heck = "0.5.0"
 proc-macro2 = "1.0"
 quote = "1.0"
 rustversion = "1.0"