diff --git a/.gitea/workflows/container-build.yml b/.gitea/workflows/container-build.yml
index 8599b82..64244f8 100644
--- a/.gitea/workflows/container-build.yml
+++ b/.gitea/workflows/container-build.yml
@@ -1,7 +1,7 @@
 name: build containers
 on:
   schedule:
-    - cron: "0 0 1 * *"
+    - cron: '0 0 1 * *'
   push:
     branches:
       - release