diff --git a/.github/workflows/test-old-branches.yml b/.github/workflows/test-old-branches.yml
index 054f1e98a2a1b..1c8b72e03a8a0 100644
--- a/.github/workflows/test-old-branches.yml
+++ b/.github/workflows/test-old-branches.yml
@@ -34,7 +34,7 @@ jobs:
     permissions:
       actions: write
     timeout-minutes: 20
-    if: ${{ github.repository == 'WordPress/wordpress-develop' }}
+    if: ${{ github.repository == 'WordPress/wordpress-develop' || github.repository == 'WordPress/wordpress-develop-security' }}
     strategy:
       fail-fast: false
       matrix: