diff --git a/.github/workflows/publish-docs.yml b/.github/workflows/publish-docs.yml
index 6db95ac77..8cabef999 100644
--- a/.github/workflows/publish-docs.yml
+++ b/.github/workflows/publish-docs.yml
@@ -40,7 +40,8 @@ jobs:
 
       - name: Deploy
         run: |
-          export MAJOR_VERSION=${{ github.ref:0:3 }}
+          FULL_VERSION=${{ github.ref }}
+          export MAJOR_VERSION=${FULL_VERSION:0:3}
           echo "OWNER: ${REPO_OWNER}. BUILD: ${MAJOR_VERSION}"
           bash ./docs/build-docs.sh push $REPO_OWNER
         env: