diff --git a/.github/workflows/ci-check-docs.yml b/.github/workflows/ci-check-docs.yml
index 71ca5094..9eb03210 100644
--- a/.github/workflows/ci-check-docs.yml
+++ b/.github/workflows/ci-check-docs.yml
@@ -7,6 +7,6 @@ on:
 jobs:
   check-docs:
     name: Check Docs
-    uses: ros-controls/control.ros.org/.github/workflows/reusable-sphinx-check-single-version.yml@master
+    uses: ros-controls/control.ros.org/.github/workflows/reusable-sphinx-check-single-version.yml@iron
     with:
       GZ_ROS2_CONTROL_PR: ${{ github.ref }}