diff --git a/.github/workflows/update-weaviate-server.yml b/.github/workflows/update-weaviate-server.yml
index 048e1c4..2d38cae 100644
--- a/.github/workflows/update-weaviate-server.yml
+++ b/.github/workflows/update-weaviate-server.yml
@@ -10,6 +10,8 @@ on:
   workflow_dispatch:
   schedule:
     - cron: '0 0 * * 1' # Every Monday at 00:00 UTC
+env:
+  SOURCE_BRANCH_NAME: update-weaviate-image
 
 jobs:
   update-version:
@@ -31,7 +33,7 @@ jobs:
         git config --global user.name '${{ github.actor }}'
         git config --global user.email '${{ github.actor }}@users.noreply.github.com'
         git add tests/docker-compose.yml
-        git diff-index --quiet HEAD || (git checkout -b update-weaviate-image && git commit -m "Update Weaviate version in tests/docker-compose.yml" && git push --set-upstream origin update-weaviate-image)
+        git diff-index --quiet HEAD || (git checkout -b ${{ env.SOURCE_BRANCH_NAME }} && git commit -m "Update Weaviate version in tests/docker-compose.yml" && git push --set-upstream origin ${{ env.SOURCE_BRANCH_NAME }})
 
     - name: Create Pull Request
       uses: actions/github-script@v7
@@ -43,7 +45,7 @@ jobs:
               title: 'Update Weaviate Server Image',
               owner,
               repo,
-              head: 'update-weaviate-image',
+              head: '${{ env.SOURCE_BRANCH_NAME }}',
               base: 'main',
               body: [
                 'This PR updates the Weaviate version in tests/docker-compose.yml',