diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index b9273c9..b2aa87d 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Checkout
-      uses: actions/checkout@v4
+      uses: actions/checkout@v6
     - name: Set up Docker Buildx
       uses: docker/setup-buildx-action@v3
     - name: Replace run only unittest command
@@ -36,7 +36,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Checkout
-      uses: actions/checkout@v4
+      uses: actions/checkout@v6
       # with:
       #   path: "."
     - name: Set up Docker Buildx
@@ -59,7 +59,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Checkout
-      uses: actions/checkout@v4
+      uses: actions/checkout@v6
     - name: Set up Docker Buildx
       uses: docker/setup-buildx-action@v3
     - name: Replace actinia version (including GRASS version)
@@ -83,7 +83,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Checkout
-      uses: actions/checkout@v4
+      uses: actions/checkout@v6
       # with:
       #   path: "."
     - name: Set up Docker Buildx