diff --git a/.github/workflows/deploy_docu_dev.yml b/.github/workflows/deploy_docu_dev.yml
index 35f8631e..b13a0787 100644
--- a/.github/workflows/deploy_docu_dev.yml
+++ b/.github/workflows/deploy_docu_dev.yml
@@ -15,10 +15,10 @@ jobs:
 
     steps:
     - name: Check out the repo containing the docu source
-      uses: actions/checkout@v4
+      uses: actions/checkout@v7
 
     - name: Check out the repo containing the python pkg DoubleML (dev)
-      uses: actions/checkout@v4
+      uses: actions/checkout@v7
       with:
         repository: DoubleML/doubleml-for-py
         path: doubleml-for-py
@@ -27,7 +27,7 @@ jobs:
       run: sudo apt-get install graphviz
 
     - name: Install python
-      uses: actions/setup-python@v5
+      uses: actions/setup-python@v7
       with:
         python-version: '3.12'
     - name: Install dependencies and the python package
@@ -61,7 +61,7 @@ jobs:
       shell: Rscript {0}
 
     - name: Cache R packages
-      uses: actions/cache@v4
+      uses: actions/cache@v6
       with:
         path: ${{ env.R_LIBS_USER }}
         key: doubleml-user-guide-dev-${{ hashFiles('.github/R-version') }}
diff --git a/.github/workflows/deploy_docu_stable.yml b/.github/workflows/deploy_docu_stable.yml
index d2c25664..4d7c0606 100644
--- a/.github/workflows/deploy_docu_stable.yml
+++ b/.github/workflows/deploy_docu_stable.yml
@@ -13,13 +13,13 @@ jobs:
 
     steps:
     - name: Check out the repo containing the docu source
-      uses: actions/checkout@v4
+      uses: actions/checkout@v7
 
     - name: Install graphviz
       run: sudo apt-get install graphviz
 
     - name: Install python
-      uses: actions/setup-python@v5
+      uses: actions/setup-python@v7
       with:
         python-version: '3.12'
     - name: Install dependencies and the python package
@@ -50,7 +50,7 @@ jobs:
       shell: Rscript {0}
 
     - name: Cache R packages
-      uses: actions/cache@v4
+      uses: actions/cache@v6
       with:
         path: ${{ env.R_LIBS_USER }}
         key: doubleml-user-guide-stable-${{ hashFiles('.github/R-version') }}
diff --git a/.github/workflows/test_build_docu_dev.yml b/.github/workflows/test_build_docu_dev.yml
index ef5989de..10a79ee2 100644
--- a/.github/workflows/test_build_docu_dev.yml
+++ b/.github/workflows/test_build_docu_dev.yml
@@ -37,18 +37,18 @@ jobs:
 
     steps:
     - name: Check out the repo containing the docu source
-      uses: actions/checkout@v4
+      uses: actions/checkout@v7
 
     - name: Check out the repo containing the python pkg DoubleML (dev)
       if: ${{ github.event_name != 'workflow_dispatch' }}
-      uses: actions/checkout@v4
+      uses: actions/checkout@v7
       with:
         repository: DoubleML/doubleml-for-py
         path: doubleml-for-py
 
     - name: Check out the repo containing the python pkg DoubleML (dev)
       if: ${{ github.event_name == 'workflow_dispatch' }}
-      uses: actions/checkout@v4
+      uses: actions/checkout@v7
       with:
         repository: DoubleML/doubleml-for-py
         path: doubleml-for-py
@@ -58,7 +58,7 @@ jobs:
       run: sudo apt-get install graphviz
 
     - name: Install python
-      uses: actions/setup-python@v5
+      uses: actions/setup-python@v7
       with:
         python-version: '3.12'
     - name: Install dependencies and the python package
@@ -92,7 +92,7 @@ jobs:
       shell: Rscript {0}
 
     - name: Cache R packages
-      uses: actions/cache@v4
+      uses: actions/cache@v6
       with:
         path: ${{ env.R_LIBS_USER }}
         key: doubleml-test-build-dev-${{ hashFiles('.github/R-version') }}
@@ -124,7 +124,7 @@ jobs:
         make -C doc linkcheck
 
     - name: Upload html artifacts
-      uses: actions/upload-artifact@v4
+      uses: actions/upload-artifact@v7
       with:
         name: build_html
         path: doc/_build/html/
diff --git a/.github/workflows/test_build_docu_released.yml b/.github/workflows/test_build_docu_released.yml
index 9d621880..75881f24 100644
--- a/.github/workflows/test_build_docu_released.yml
+++ b/.github/workflows/test_build_docu_released.yml
@@ -27,13 +27,13 @@ jobs:
 
     steps:
     - name: Check out the repo containing the docu source
-      uses: actions/checkout@v4
+      uses: actions/checkout@v7
 
     - name: Install graphviz
       run: sudo apt-get install graphviz
 
     - name: Install python
-      uses: actions/setup-python@v5
+      uses: actions/setup-python@v7
       with:
         python-version: '3.12'
     - name: Install dependencies and the python package
@@ -64,7 +64,7 @@ jobs:
       shell: Rscript {0}
 
     - name: Cache R packages
-      uses: actions/cache@v4
+      uses: actions/cache@v6
       with:
         path: ${{ env.R_LIBS_USER }}
         key: doubleml-test-build-stable-${{ hashFiles('.github/R-version') }}
@@ -87,7 +87,7 @@ jobs:
         make -C doc linkcheck
 
     - name: Upload html artifacts
-      uses: actions/upload-artifact@v4
+      uses: actions/upload-artifact@v7
       with:
         name: build_html
         path: doc/_build/html/