diff --git a/.github/workflows/dev.yml b/.github/workflows/dev.yml
index f74e14f..6920f64 100644
--- a/.github/workflows/dev.yml
+++ b/.github/workflows/dev.yml
@@ -29,7 +29,7 @@ jobs:
       shell: spack-bash {0}
       run: |
         spack env activate
-        spack install --add --cache-only --no-check-signature python
+        spack install --add --cache-only --no-check-signature --reuse python
         which python3
         python3 -c 'print("hello world")'
     - name: Check spack-sh shell