diff --git a/.github/workflows/build_docs.yml b/.github/workflows/build_docs.yml
index 04a89a9..6ab4a4c 100644
--- a/.github/workflows/build_docs.yml
+++ b/.github/workflows/build_docs.yml
@@ -63,7 +63,7 @@ jobs:
       - name: Set cache date
         run: echo "DATE=$(date +'%Y%m%d')" >> $GITHUB_ENV
 
-      - uses: actions/cache@v4
+      - uses: actions/cache@v5
         with:
           path: ${{ matrix.prefix }}
           key: ${{ matrix.label }}-conda-${{ hashFiles('environment.yml') }}-${{ env.DATE }}-${{ env.CACHE_NUMBER }}
diff --git a/.github/workflows/check_and_test_package.yml b/.github/workflows/check_and_test_package.yml
index e674729..1acc36d 100644
--- a/.github/workflows/check_and_test_package.yml
+++ b/.github/workflows/check_and_test_package.yml
@@ -95,7 +95,7 @@ jobs:
       - name: Set cache date
         run: echo "DATE=$(date +'%Y%m%d')" >> $GITHUB_ENV
 
-      - uses: actions/cache@v4
+      - uses: actions/cache@v5
         with:
           path: ${{ matrix.prefix }}
           key: ${{ matrix.label }}-conda-${{ hashFiles('environment.yml') }}-${{ env.DATE }}-${{ env.CACHE_NUMBER }}