diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index c319df2..85264d2 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -18,6 +18,7 @@ jobs:
       matrix:
         os: [ ubuntu-latest ]
         python_version: [ '3.x' ]
+    if: startsWith(github.ref, 'refs/tags/')
     steps:
       - name: Check out the repository
         uses: actions/checkout@v4