diff --git a/.github/workflows/complement_tests.yml b/.github/workflows/complement_tests.yml
index a891802ac8..9f1cf12531 100644
--- a/.github/workflows/complement_tests.yml
+++ b/.github/workflows/complement_tests.yml
@@ -22,7 +22,7 @@ env:
 
 jobs:
   complement:
-    runs-on: ubuntu-latest
+    runs-on: blacksmith-4vcpu-ubuntu-2404
 
     strategy:
       fail-fast: false