diff --git a/.github/workflows/build_container.yml b/.github/workflows/build_container.yml
index bb68dc4e..27e847fc 100644
--- a/.github/workflows/build_container.yml
+++ b/.github/workflows/build_container.yml
@@ -2,9 +2,8 @@ name: Create and publish a container image
 
 on:
   push:
-    branches:
-      - main
-  pull_request:
+    tags:
+      - 'v*'
 
 
 jobs: