diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 7ecfc1b67..d117aa1c3 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -2496,7 +2496,7 @@ jobs:
         run: echo $(which python3)
 
       - name: "Validate global Python install"
-        run: python3 scripts/check_system_python.py --uv ./uv
+        run: python3 scripts/check_system_python.py --uv ./uv --externally-managed
 
   system-test-windows-python-310:
     timeout-minutes: 10