diff --git a/.github/workflows/run-cn-examples.yml b/.github/workflows/run-cn-examples.yml
index a304b26..1e53579 100644
--- a/.github/workflows/run-cn-examples.yml
+++ b/.github/workflows/run-cn-examples.yml
@@ -32,7 +32,7 @@ jobs:
 
     - name: Restore OPAM cache
       id: cache-opam-restore
-      uses: actions/cache/restore@v4
+      uses: actions/cache/restore@v5
       with:
         path: ~/.opam
         key: ${{ matrix.version }}
@@ -46,7 +46,7 @@ jobs:
         opam install --deps-only --yes ./cn.opam z3
     
     - name: Save OPAM cache
-      uses: actions/cache/save@v4
+      uses: actions/cache/save@v5
       if: steps.cache-opam-restore.outputs.cache-hit != 'true'
       with:
         path: ~/.opam