diff --git a/.github/workflows/gnul.yml b/.github/workflows/gnul.yml
index f289d69..855473c 100644
--- a/.github/workflows/gnul.yml
+++ b/.github/workflows/gnul.yml
@@ -9,7 +9,7 @@ jobs:
 
     steps:
       - name: Checkout the codebase in local working directory
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Setup a functioning local Python 3 installation
         uses: actions/setup-python@v5
diff --git a/.github/workflows/mswn.yml b/.github/workflows/mswn.yml
index 79dd805..d50528e 100644
--- a/.github/workflows/mswn.yml
+++ b/.github/workflows/mswn.yml
@@ -9,7 +9,7 @@ jobs:
 
     steps:
       - name: Checkout the codebase in local working directory
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Setup a functioning local Python 3 installation
         uses: actions/setup-python@v5