From: openKylin Developers <packaging@lists.openkylin.top>
Date: Wed, 3 Jun 2026 11:57:18 +0800
Subject: older-heck

===================================================================
---
 Cargo.toml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Cargo.toml b/Cargo.toml
index 9c40ebf..d2f0e76 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -46,7 +46,7 @@ name = "pyo3_macros_backend"
 path = "src/lib.rs"
 
 [dependencies.heck]
-version = "0.5"
+version = ">= 0.4, < 0.6"
 
 [dependencies.proc-macro2]
 version = "1.0.60"
