diff --git a/.github/workflows/prchecks.yml b/.github/workflows/prchecks.yml
index 39c1bd8..c92eda1 100644
--- a/.github/workflows/prchecks.yml
+++ b/.github/workflows/prchecks.yml
@@ -23,7 +23,7 @@ jobs:
       fail-fast: false
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - uses: actions/setup-python@v4
       with:
         python-version: 3.x
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index bf0b549..017d356 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -10,7 +10,7 @@ jobs:
         name: Build and release to PyPI
         runs-on: ubuntu-latest
         steps:
-            - uses: actions/checkout@v3
+            - uses: actions/checkout@v4
             - name: Set up Python
               uses: actions/setup-python@v4
               with:
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 516191f..2aa94c6 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -25,7 +25,7 @@ jobs:
 
     name: Python ${{ matrix.python_version }} (${{ matrix.os }})
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Set up Python ${{ matrix.python_version }}
       uses: actions/setup-python@v4
       with:
@@ -60,7 +60,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Prepare Python
         uses: actions/setup-python@v4
         with: