diff --git a/.github/workflows/deploy_pypi.yml b/.github/workflows/deploy_pypi.yml
index ccc22cb..cdfa5d9 100644
--- a/.github/workflows/deploy_pypi.yml
+++ b/.github/workflows/deploy_pypi.yml
@@ -45,7 +45,7 @@ jobs:
     #----------------------------------------------
     - name: Load cached venv
       id: cached-poetry-dependencies
-      uses: actions/cache@v4
+      uses: actions/cache@v5
       with:
         path: .venv
         key: venv-${{ runner.os }}-${{ env.PYTHONVERSION }}-${{ hashFiles('**/poetry.lock') }}
diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index eb9a971..e1d8d5d 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -48,7 +48,7 @@ jobs:
     #----------------------------------------------
     - name: Load cached venv
       id: cached-poetry-dependencies
-      uses: actions/cache@v4
+      uses: actions/cache@v5
       with:
         path: .venv
         key: venv-${{ runner.os }}-${{ env.PYTHONVERSION }}-${{ hashFiles('**/poetry.lock') }}
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 629de2f..ba9e72f 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -23,7 +23,7 @@ jobs:
       #----------------------------------------------
       #        load pip cache if cache exists      
       #----------------------------------------------
-      - uses: actions/cache@v4
+      - uses: actions/cache@v5
         with:
           path: ~/.cache/pip
           key: pip-${{ hashFiles('pyproject.toml') }}
@@ -69,7 +69,7 @@ jobs:
     #----------------------------------------------
     - name: Load cached venv
       id: cached-poetry-dependencies
-      uses: actions/cache@v4
+      uses: actions/cache@v5
       with:
         path: .venv
         key: venv-${{ runner.os }}-${{ matrix.python-version }}-${{ hashFiles('**/poetry.lock') }}