diff --git a/.github/workflows/github-actions-builddockerfile.yml b/.github/workflows/github-actions-builddockerfile.yml
index 2f3a1e0..8746cd3 100644
--- a/.github/workflows/github-actions-builddockerfile.yml
+++ b/.github/workflows/github-actions-builddockerfile.yml
@@ -27,7 +27,7 @@ jobs:
           version_prefix: ''
       - name: Update version file
         run: |
-          sed -i 's/subgen_version =.*/subgen_version = ${{ steps.setcalver.outputs.package_version }}/' subgen/subgen.py
+          sed -i 's/subgen_version =.*/subgen_version = \'${{ steps.setcalver.outputs.package_version }}\'/' subgen/subgen.py
       
       - name: Commit and push changes
         run: |