diff --git a/.github/workflows/cd.yml b/.github/workflows/cd.yml
index d8f2757..8d41db8 100644
--- a/.github/workflows/cd.yml
+++ b/.github/workflows/cd.yml
@@ -11,9 +11,9 @@ jobs:
     runs-on: ubuntu-latest
     
     steps:
-      - uses: actions/checkout@master
+      - uses: actions/checkout@v4.1.2
       - name: Set up Python 3.11
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v5.1.0
         with:
           python-version: '3.11'
       - name: Install dependencies
@@ -24,7 +24,7 @@ jobs:
         run: |
           python setup.py sdist bdist_wheel
       - name: Publish to PyPI
-        uses: pypa/gh-action-pypi-publish@v1.1.0
+        uses: pypa/gh-action-pypi-publish@v1.8.14
         with:
           password: ${{ secrets.pypi_password }}
   
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 841f6e1..585bde2 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -16,9 +16,9 @@ jobs:
         python-version: [3.7, 3.8, 3.9, '3.10', '3.11']
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4.1.2
     - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v2
+      uses: actions/setup-python@v5.1.0
       with:
         python-version: ${{ matrix.python-version }}
     - name: Install dependencies
@@ -28,7 +28,7 @@ jobs:
     - name: Test with tox
       run: |
         tox -e py
-    - uses: codecov/codecov-action@v3
+    - uses: codecov/codecov-action@v4.2.0
       with:
         token: ${{ secrets.CODECOV_TOKEN }}
         files: cov.xml
@@ -36,9 +36,9 @@ jobs:
   docs:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4.1.2
     - name: Set up Python 3.11
-      uses: actions/setup-python@v2
+      uses: actions/setup-python@v5.1.0
       with:
         python-version: '3.11'
     - name: Install dependencies
diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index de5e727..868a207 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -38,11 +38,11 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4.1.2
 
     # Initializes the CodeQL tools for scanning.
     - name: Initialize CodeQL
-      uses: github/codeql-action/init@v2
+      uses: github/codeql-action/init@v3
       with:
         languages: ${{ matrix.language }}
         # If you wish to specify custom queries, you can do so here or in a config file.
@@ -56,7 +56,7 @@ jobs:
     # Autobuild attempts to build any compiled languages  (C/C++, C#, Go, or Java).
     # If this step fails, then you should remove it and run the build manually (see below)
     - name: Autobuild
-      uses: github/codeql-action/autobuild@v2
+      uses: github/codeql-action/autobuild@v3
 
     # ℹ️ Command-line programs to run using the OS shell.
     # 📚 See https://docs.github.com/en/actions/using-workflows/workflow-syntax-for-github-actions#jobsjob_idstepsrun
@@ -69,6 +69,6 @@ jobs:
     #   ./location_of_script_within_repo/buildscript.sh
 
     - name: Perform CodeQL Analysis
-      uses: github/codeql-action/analyze@v2
+      uses: github/codeql-action/analyze@v3
       with:
         category: "/language:${{matrix.language}}"