diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index b291373..092176b 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -38,7 +38,7 @@ jobs:
     steps:
 
     - name: Acquire sources
-      uses: actions/checkout@v4
+      uses: actions/checkout@v5
 
     - name: Set up Python
       uses: actions/setup-python@v5
diff --git a/.github/workflows/release-pypi.yml b/.github/workflows/release-pypi.yml
index 7a0a273..6ac6140 100644
--- a/.github/workflows/release-pypi.yml
+++ b/.github/workflows/release-pypi.yml
@@ -41,7 +41,7 @@ jobs:
 
     steps:
       - name: Acquire sources
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Set up Python
         uses: actions/setup-python@v5