diff --git a/.github/workflows/nightly.yml b/.github/workflows/nightly.yml
index 4e79d9e3..9edea8c5 100644
--- a/.github/workflows/nightly.yml
+++ b/.github/workflows/nightly.yml
@@ -106,7 +106,7 @@ jobs:
         id: setup
         with:
           python-version: ${{ matrix.python-version }}
-          cache-key: pypi
+          cache-key: nightly
           install-deps-only: dev
           install-library: false
       - name: install lib