diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index 1daac1c0..ccff6ae4 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -17,6 +17,7 @@ jobs:
 
   tagext:
     runs-on: ${{ matrix.os }}
+    if: ${{ github.event.workflow_run.conclusion == 'success' }}
     strategy:
       matrix:
         os: [ubuntu-latest]