diff --git a/.github/workflows/ci_tests.yml b/.github/workflows/ci_tests.yml
index 8332f17..0a3e029 100644
--- a/.github/workflows/ci_tests.yml
+++ b/.github/workflows/ci_tests.yml
@@ -52,7 +52,7 @@ jobs:
         # python -m pip install jupyter-book==0.12.1
     - name: Cache
       id: cache
-      uses: actions/cache@6849a6489940f00c2f30c0fb92c6274307ccb58a  # v4.1.2
+      uses: actions/cache@1bd1e32a3bdc45362d1e726936510720a7c30a57  # v4.2.0
       with:
         path: |
           notebooks/*.fit*.bz