diff --git a/.github/workflows/documentation.yml b/.github/workflows/documentation.yml
index 85817d33..c2dbc3b5 100644
--- a/.github/workflows/documentation.yml
+++ b/.github/workflows/documentation.yml
@@ -36,7 +36,7 @@ jobs:
         with:
           python-version: '3.9'
       
-      - uses: actions/cache@v3
+      - uses: actions/cache@v6
         with:
           key: ${{ github.ref }}
           path: .cache
diff --git a/.github/workflows/publish-to-test-pypi.yml b/.github/workflows/publish-to-test-pypi.yml
index 01f51a9b..9811347f 100644
--- a/.github/workflows/publish-to-test-pypi.yml
+++ b/.github/workflows/publish-to-test-pypi.yml
@@ -24,7 +24,7 @@ jobs:
         with:
           python-version: '3.9'
       
-      - uses: actions/cache@v3
+      - uses: actions/cache@v6
         with:
           key: ${{ github.ref }}
           path: .cache