diff --git a/.github/workflows/push-image.yml b/.github/workflows/push-image.yml
index 642d033..97ceca0 100644
--- a/.github/workflows/push-image.yml
+++ b/.github/workflows/push-image.yml
@@ -5,7 +5,7 @@ on:
     branches:
       - main
   schedule:
-    - cron: "0 0 1 * *" # the 1st of every month
+    - cron: "0 0 1,15 * *" # the 1st and 15th of every month
 
 env:
   IMAGE_NAME: ${{ github.repository }}