diff --git a/.github/workflows/tools-api-docs-release.yml b/.github/workflows/tools-api-docs-release.yml
index 3245b555e5..8c47f2dd0e 100644
--- a/.github/workflows/tools-api-docs-release.yml
+++ b/.github/workflows/tools-api-docs-release.yml
@@ -9,8 +9,9 @@ jobs:
     runs-on: ubuntu-18.04
     strategy:
       matrix:
-        dir: [latest, $GITHUB_REF]
-
+        dir: 
+            - latest
+            - ${{ github.event.release.tag_name }}
     steps:
       - name: Check out source-code repository
         uses: actions/checkout@v2