diff --git a/.github/workflows/pypi.yml b/.github/workflows/pypi.yml
index a7b4e35..88b6804 100644
--- a/.github/workflows/pypi.yml
+++ b/.github/workflows/pypi.yml
@@ -8,7 +8,7 @@ jobs:
     publish:
         runs-on: ubuntu-latest
         steps:
-            - uses: actions/checkout@v3
+            - uses: actions/checkout@v4
 
             - name: Set up Python
               uses: actions/setup-python@v4
diff --git a/.github/workflows/pythonpackage.yml b/.github/workflows/pythonpackage.yml
index 8eb80c6..1ca7467 100644
--- a/.github/workflows/pythonpackage.yml
+++ b/.github/workflows/pythonpackage.yml
@@ -24,7 +24,7 @@ jobs:
                 version: ["3.7", "3.8", "3.9", "3.10"]
 
         steps:
-            -   uses: actions/checkout@v3
+            -   uses: actions/checkout@v4
 
             -   name: Set up Python ${{ matrix.version }} on ${{ matrix.os }}
                 uses: actions/setup-python@v4
@@ -54,7 +54,7 @@ jobs:
     Linting:
         runs-on: ubuntu-latest
         steps:
-        -   uses: actions/checkout@v3
+        -   uses: actions/checkout@v4
 
         -   name: Set up Python
             uses: actions/setup-python@v4