diff --git a/.gitea/workflows/build-container.yml b/.gitea/workflows/build-container.yml
index ee08a95..e5389e7 100644
--- a/.gitea/workflows/build-container.yml
+++ b/.gitea/workflows/build-container.yml
@@ -1,5 +1,5 @@
 name: Build image
-on: [push]
+on: [tags]
 jobs:
   build-image:
     container:
@@ -12,6 +12,7 @@ jobs:
         uses: cachix/install-nix-action@v31
         with:
           enable_kvm: false
+      - run: echo $GITHUB_REF_NAME
       - name: Build image
         run: nix build .#image -o image.tar.gz
       - name: Get image name