diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index ef62033..61ecf63 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -19,6 +19,6 @@ jobs:
         done
     - name: Release
       uses: softprops/action-gh-release@v1
-      if: startsWith(github.ref, 'refs/tags/')
+      if: startsWith(github.ref, 'refs/tags/v') && contains(github.ref, '.')
       with:
         files: "*.iso"