diff --git a/.github/workflows/actions.yml b/.github/workflows/actions.yml
index 4cb369b..6652acc 100644
--- a/.github/workflows/actions.yml
+++ b/.github/workflows/actions.yml
@@ -1,7 +1,7 @@
 name: pystog_ci_cd
 
 env:
-  PYTHON_MAIN_VERSION: 3.10
+  PYTHON_MAIN_VERSION: "3.10"
 
 on:
   push: