diff --git a/.github/workflows/deploy.yaml b/.github/workflows/deploy.yaml
index 316989d..d578006 100644
--- a/.github/workflows/deploy.yaml
+++ b/.github/workflows/deploy.yaml
@@ -12,8 +12,11 @@ jobs:
       - name: Checkout code
         uses: actions/checkout@v2
 
+      - name: Setup env
+        run: echo "RELEASE_VERSION=${GITHUB_REF#refs/*/}" >> $GITHUB_ENV
+
       - name: Build Docker image
-        run: docker build . -t geode-index:${{ github.ref }}
+        run: docker build . -t geode-index:${{ env.RELEASE_VERSION }}
 
       - name: Push Docker image to index server
         run: |