diff --git a/.github/workflows/npm-publish.yml b/.github/workflows/npm-publish.yml
index 8ba0342..bc496a3 100644
--- a/.github/workflows/npm-publish.yml
+++ b/.github/workflows/npm-publish.yml
@@ -17,7 +17,7 @@ jobs:
         with:
           python-version: 3.9
       - name: Cache pip
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: ~/.cache/pip
           key: ${{ runner.os }}-pip-py3.9-${{ hashFiles('.github/workflows/npm-publish.yml') }}
diff --git a/.github/workflows/pythontest.yml b/.github/workflows/pythontest.yml
index ab995d4..f0bfc45 100644
--- a/.github/workflows/pythontest.yml
+++ b/.github/workflows/pythontest.yml
@@ -37,7 +37,7 @@ jobs:
         python-version: ${{ matrix.python-version }}
     - name: Cache pip
       if: ${{ needs.pre_job.outputs.should_skip != 'true' }}
-      uses: actions/cache@v4
+      uses: actions/cache@v5
       with:
         path: ~/.cache/pip
         key: ${{ runner.os }}-pip-py${{ matrix.python-version }}-${{ hashFiles('setup.py') }}
@@ -48,7 +48,7 @@ jobs:
         pip install tox
     - name: tox env cache
       if: ${{ needs.pre_job.outputs.should_skip != 'true' && !startsWith(runner.os, 'windows') }}
-      uses: actions/cache@v4
+      uses: actions/cache@v5
       with:
         path: ${{ github.workspace }}/.tox/py${{ matrix.python-version }}
         key: ${{ runner.os }}-tox-py${{ matrix.python-version }}-${{ hashFiles('setup.py') }}
@@ -71,7 +71,7 @@ jobs:
       if: ${{ needs.pre_job.outputs.should_skip != 'true' }}
     - name: Cache pip
       if: ${{ needs.pre_job.outputs.should_skip != 'true' }}
-      uses: actions/cache@v4
+      uses: actions/cache@v5
       with:
         path: ~/.cache/pip
         key: ${{ runner.os }}-pip-py${{ matrix.python-version }}-${{ hashFiles('setup.py') }}
@@ -82,7 +82,7 @@ jobs:
         pip install tox
     - name: tox env cache
       if: ${{ needs.pre_job.outputs.should_skip != 'true' && !startsWith(runner.os, 'windows') }}
-      uses: actions/cache@v4
+      uses: actions/cache@v5
       with:
         path: ${{ github.workspace }}/.tox/py${{ matrix.python-version }}
         key: ${{ runner.os }}-tox-py${{ matrix.python-version }}-${{ hashFiles('setup.py') }}