diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index f953d8b4..abc76c20 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -48,7 +48,7 @@ permissions:
 
 jobs:
   ci:
-    uses: hyperi-io/hyperi-ci/.github/workflows/python-ci.yml@main
+    uses: hyperi-io/hyperi-ci/.github/workflows/python-ci.yml@refactor/s4-setup-runtime-switch-v2
     with:
       tag: ${{ inputs.tag || '' }}
       from-head: ${{ inputs.from-head || '' }}