diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index 0729ea9ef..2a973c4c2 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -29,7 +29,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
 
     # Initializes the CodeQL tools for scanning.
     - name: Initialize CodeQL
diff --git a/.github/workflows/codespell.yml b/.github/workflows/codespell.yml
index 2f230307f..a3bc97174 100644
--- a/.github/workflows/codespell.yml
+++ b/.github/workflows/codespell.yml
@@ -4,7 +4,7 @@ jobs:
   codespell:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - run: python3 -m pip install codespell
       - run: codespell --ignore-words-list="ba,fo,hel,revered,womens"
           --skip="./README.*.md,*.svg,*.ai,./benchmarks/snippets.py,./tests,./tools"
diff --git a/.github/workflows/newissue.yml b/.github/workflows/newissue.yml
index bd8b5a526..2b6080399 100644
--- a/.github/workflows/newissue.yml
+++ b/.github/workflows/newissue.yml
@@ -8,7 +8,7 @@ jobs:
     permissions:
       issues: write
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           ref: master
       - name: Install FAQtory
diff --git a/.github/workflows/pythonpackage.yml b/.github/workflows/pythonpackage.yml
index 829c09865..21aafe272 100644
--- a/.github/workflows/pythonpackage.yml
+++ b/.github/workflows/pythonpackage.yml
@@ -13,7 +13,7 @@ jobs:
       run:
         shell: bash
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@v4
         with:
diff --git a/.github/workflows/readmechanged.yml b/.github/workflows/readmechanged.yml
index e4729f6a7..7511dcd4b 100644
--- a/.github/workflows/readmechanged.yml
+++ b/.github/workflows/readmechanged.yml
@@ -11,7 +11,7 @@ jobs:
   send_notification:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     - name: Send notification to README Authors
       env:
         GITHUB_TOKEN: ${{ secrets.GHP_README_WORKFLOW }}