diff --git a/.github/workflows/backport-prs.yml b/.github/workflows/backport-prs.yml
index 5246fdb47a3..f93bfbc9b70 100644
--- a/.github/workflows/backport-prs.yml
+++ b/.github/workflows/backport-prs.yml
@@ -16,7 +16,7 @@ jobs:
     if: github.event.pull_request.merged && contains( github.event.pull_request.labels.*.name, 'backport' )
     steps:
       - name: Checkout PR HEAD
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           ref: ${{ github.event.pull_request.head.sha }}
           fetch-depth: 100
diff --git a/.github/workflows/cffcheck.yml b/.github/workflows/cffcheck.yml
index 9bcbfc1b874..6826803b73c 100644
--- a/.github/workflows/cffcheck.yml
+++ b/.github/workflows/cffcheck.yml
@@ -17,7 +17,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Check out a copy of the repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Check validity of CITATION.cff
         uses: citation-file-format/cffconvert-github-action@2.0.0
diff --git a/.github/workflows/code-analysis.yml b/.github/workflows/code-analysis.yml
index e970a3e1c50..43d963a1f0f 100644
--- a/.github/workflows/code-analysis.yml
+++ b/.github/workflows/code-analysis.yml
@@ -28,7 +28,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
 
     - name: Initialize CodeQL
       uses: github/codeql-action/init@v2
diff --git a/.github/workflows/docs-conda.yml b/.github/workflows/docs-conda.yml
index 08efa7556a9..2cfe2dff471 100644
--- a/.github/workflows/docs-conda.yml
+++ b/.github/workflows/docs-conda.yml
@@ -31,7 +31,7 @@ jobs:
 
     steps:
     - name: Checkout source
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
       with:
         fetch-depth: 150
         fetch-tags: true
diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index e344c65fd43..1f1f431d208 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -42,7 +42,7 @@ jobs:
 
     steps:
     - name: Checkout source
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
       with:
         fetch-depth: 150
         fetch-tags: true
diff --git a/.github/workflows/linting.yml b/.github/workflows/linting.yml
index 8aa818a9d52..bf8e1b8eebd 100644
--- a/.github/workflows/linting.yml
+++ b/.github/workflows/linting.yml
@@ -14,7 +14,7 @@ jobs:
     name: Flake8
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Set up Python 3
         uses: actions/setup-python@v4
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index e766ba358b4..d625fc06c71 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -10,7 +10,7 @@ jobs:
     name: Build Release Packages
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         fetch-depth: 10
         fetch-tags: true
diff --git a/.github/workflows/tests-conda.yml b/.github/workflows/tests-conda.yml
index 27190048c31..d118d8725b2 100644
--- a/.github/workflows/tests-conda.yml
+++ b/.github/workflows/tests-conda.yml
@@ -33,7 +33,7 @@ jobs:
 
     steps:
     - name: Checkout source
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
       with:
         fetch-depth: 150
         fetch-tags: true
diff --git a/.github/workflows/tests-pypi.yml b/.github/workflows/tests-pypi.yml
index 554463d7ba9..876fe5cabcb 100644
--- a/.github/workflows/tests-pypi.yml
+++ b/.github/workflows/tests-pypi.yml
@@ -38,7 +38,7 @@ jobs:
 
     steps:
     - name: Checkout source
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
       with:
         fetch-depth: 150
         fetch-tags: true
diff --git a/.github/workflows/unstable-builds.yml b/.github/workflows/unstable-builds.yml
index 18c28878b8e..f275ae51b85 100644
--- a/.github/workflows/unstable-builds.yml
+++ b/.github/workflows/unstable-builds.yml
@@ -17,7 +17,7 @@ jobs:
       result: ${{ steps.tests.outcome }}
     steps:
     - name: Checkout source
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
       with:
         fetch-depth: 150
         fetch-tags: true
@@ -57,7 +57,7 @@ jobs:
       result: ${{ steps.build.outcome }}
     steps:
     - name: Checkout source
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
       with:
         fetch-depth: 150
         fetch-tags: true