diff --git a/.github/workflows/documentation.yml b/.github/workflows/documentation.yml
index 53b02429..3dd3f481 100644
--- a/.github/workflows/documentation.yml
+++ b/.github/workflows/documentation.yml
@@ -5,13 +5,13 @@ on:
   push:
     branches:
       - main
-      - v4.*.x
+      - 'v4.*.x'
     paths:
       - 'userdocs/**'
   pull_request:
     branches:
       - main
-      - v4.*.x
+      - 'v4.*.x'
     paths:
       - 'userdocs/**'