diff --git a/.github/workflows/push.yaml b/.github/workflows/push.yaml
index fc48de6..c858c71 100644
--- a/.github/workflows/push.yaml
+++ b/.github/workflows/push.yaml
@@ -87,4 +87,4 @@ jobs:
     - name: installing plural
       uses: pluralsh/setup-plural@v0.2.0
     - name: Update service
-      run:  plural cd services update @cd-demo-workload-1/cd-test --conf tag=sha-$(git rev-parse --short HEAD)
\ No newline at end of file
+      run:  plural cd services update @cd-demo-workload-1/cd-test --conf tag=sha-${GITHUB_SHA::7}
\ No newline at end of file