diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index a4a3328..031abfd 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -6,7 +6,7 @@ on:
       - '[0-9]+.[0-9]+.[0-9]+'
 
 env:
-  RELEASE_PY_VER: 3.10
+  RELEASE_PY_VER: "3.10"
 
 jobs:
   python-package: