diff --git a/.github/workflows/image-build.yaml b/.github/workflows/image-build.yaml
index 8e7b645d..5bdb7b27 100644
--- a/.github/workflows/image-build.yaml
+++ b/.github/workflows/image-build.yaml
@@ -13,6 +13,9 @@ concurrency:
   group: build-${{ github.ref }}
   cancel-in-progress: true
 
+env:
+  tag: ${{ github.ref == 'refs/heads/main' && 'latest' || github.ref_name }}
+
 jobs:
   image-build:
     strategy: