diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 9cfcc0c..085c0ad 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout the repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Create requirements.txt
         uses: 1arp/create-a-file-action@0.4.5
@@ -36,7 +36,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout the repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Create requirements.txt
         uses: 1arp/create-a-file-action@0.4.5
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 67bcb96..4feb70d 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -25,7 +25,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - name: Checkout the repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Set up Fortran
         uses: fortran-lang/setup-fortran@v1
@@ -77,7 +77,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout the repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       # We have to manually start a container. Otherwise, GitHub-provided actions
       # don't work properly in older OS containers.