diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index ef9e1777..3c4f68dd 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -25,7 +25,7 @@ jobs:
             torch-version: 2.4.0
             python-version: "3.10"
             sklearn-version: "latest"
-          - os: ubuntu-latest 
+          - os: ubuntu-latest
             torch-version: 2.4.0
             python-version: "3.10"
             sklearn-version: "legacy"
@@ -35,7 +35,7 @@ jobs:
     steps:
       - name: Cache dependencies
         id: pip-cache
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: ~/.cache/pip
           key: pip-os_${{ runner.os }}-python_${{ matrix.python-version }}-torch_${{ matrix.torch-version }}-sklearn_${{ matrix.sklearn-version }}
@@ -44,7 +44,7 @@ jobs:
         uses: actions/checkout@v2
 
       - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v4
+        uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.python-version }}
 
@@ -54,7 +54,7 @@ jobs:
           python -m pip install torch==${{ matrix.torch-version }} --extra-index-url https://download.pytorch.org/whl/cpu
           pip install '.[dev,datasets,integrations]'
 
-      - name: Check sklearn legacy version 
+      - name: Check sklearn legacy version
         if: matrix.sklearn-version == 'legacy'
         run: |
           pip install scikit-learn==1.4.2 '.[dev,datasets,integrations]'
diff --git a/.github/workflows/doc-coverage.yml b/.github/workflows/doc-coverage.yml
index 268cbee0..8d7f0522 100644
--- a/.github/workflows/doc-coverage.yml
+++ b/.github/workflows/doc-coverage.yml
@@ -22,7 +22,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ['3.8']
+        python-version: ['3.9']
 
     steps:
     # NOTE(stes) currently not used, we check
@@ -31,14 +31,14 @@ jobs:
     #  with:
     #    ref: main
     - uses: actions/checkout@v3
-    - uses: actions/cache@v1
+    - uses: actions/cache@v4
       with:
         path: ~/.cache/pip
         key: ${{ runner.os }}-pip
         restore-keys: |
           ${{ runner.os }}-pip
     - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v1
+      uses: actions/setup-python@v5
       with:
         python-version: ${{ matrix.python-version }}
     - name: Install package
diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index 83c9d829..47b5862d 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -17,7 +17,7 @@ jobs:
     steps:
       - name: Cache dependencies
         id: pip-cache
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: ~/.cache/pip
           key: ${{ runner.os }}-pip
@@ -52,7 +52,7 @@ jobs:
           ref: main
 
       - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.python-version }}
 
@@ -60,12 +60,12 @@ jobs:
         run: |
           python -m pip install --upgrade pip setuptools wheel
           # NOTE(stes) Pandoc version must be at least (2.14.2) but less than (4.0.0).
-          # as of 29/10/23. Ubuntu 22.04 which is used for ubuntu-latest only has an 
+          # as of 29/10/23. Ubuntu 22.04 which is used for ubuntu-latest only has an
           # old pandoc version (2.9.). We will hence install the latest version manually.
           # previou: sudo apt-get install -y pandoc
-          wget https://github.com/jgm/pandoc/releases/download/3.1.9/pandoc-3.1.9-1-amd64.deb 
-          sudo dpkg -i pandoc-3.1.9-1-amd64.deb 
-          rm pandoc-3.1.9-1-amd64.deb 
+          wget https://github.com/jgm/pandoc/releases/download/3.1.9/pandoc-3.1.9-1-amd64.deb
+          sudo dpkg -i pandoc-3.1.9-1-amd64.deb
+          rm pandoc-3.1.9-1-amd64.deb
           pip install torch --extra-index-url https://download.pytorch.org/whl/cpu
           pip install '.[docs]'
 
diff --git a/.github/workflows/release-pypi.yml b/.github/workflows/release-pypi.yml
index d6950119..fc6d5c8e 100644
--- a/.github/workflows/release-pypi.yml
+++ b/.github/workflows/release-pypi.yml
@@ -23,7 +23,7 @@ jobs:
     steps:
       - name: Cache dependencies
         id: pip-cache
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: ~/.cache/pip
           key: ${{ runner.os }}-pip