diff --git a/.github/workflows/call-update-pkgdown.yml b/.github/workflows/call-update-pkgdown.yml
index 58c9c154..fc0d5468 100644
--- a/.github/workflows/call-update-pkgdown.yml
+++ b/.github/workflows/call-update-pkgdown.yml
@@ -5,7 +5,7 @@ name: call-update-pkgdown
 on:
 # this workflow runs on pushes to main or master or any time a new tag is pushed
   push:
-    branches: [main, master]
+    branches: [pkgdown]
     tags: ['*']
 jobs:
   call-workflow: