diff --git a/.github/workflows/pull-request-check.yml b/.github/workflows/pull-request-check.yml
index 9a4880a..4477211 100644
--- a/.github/workflows/pull-request-check.yml
+++ b/.github/workflows/pull-request-check.yml
@@ -67,7 +67,7 @@ jobs:
         run: python -m pip install --upgrade pip pipenv virtualenv wheel setuptools
 
       - id: cache-pipenv
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: ~/.local/share/virtualenvs
           key: ${{ runner.os }}-pipenv-${{ hashFiles('**/Pipfile.lock') }}
diff --git a/.github/workflows/test-build-publish.yml b/.github/workflows/test-build-publish.yml
index 21f4ac3..5e49f11 100644
--- a/.github/workflows/test-build-publish.yml
+++ b/.github/workflows/test-build-publish.yml
@@ -52,7 +52,7 @@ jobs:
         run: python -m pip install --upgrade pip pipenv virtualenv wheel setuptools
 
       - id: cache-pipenv
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: ~/.local/share/virtualenvs
           key: ${{ runner.os }}-pipenv-${{ hashFiles('**/Pipfile.lock') }}
@@ -107,7 +107,7 @@ jobs:
         run: python -m pip install --upgrade pip pipenv virtualenv wheel setuptools
 
       - id: cache-pipenv
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: ~/.local/share/virtualenvs
           key: ${{ runner.os }}-pipenv-${{ hashFiles('**/Pipfile.lock') }}
@@ -175,7 +175,7 @@ jobs:
         run: python -m pip install --upgrade pip pipenv virtualenv wheel setuptools
 
       - id: cache-pipenv
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: ~/.local/share/virtualenvs
           key: ${{ runner.os }}-pipenv-${{ hashFiles('**/Pipfile.lock') }}