diff --git a/.github/workflows/doc.yml b/.github/workflows/doc.yml
index 1b3cfe0d..8bf9dd85 100644
--- a/.github/workflows/doc.yml
+++ b/.github/workflows/doc.yml
@@ -16,4 +16,6 @@ jobs:
 
     - name: Build
       working-directory: ${{runner.workspace}}/build
+      env:
+        KEY: ${{secrets.KEY}}
       run: $GITHUB_WORKSPACE/support/build-docs.py