diff --git a/.github/workflows/docker-publish.yml b/.github/workflows/docker-publish.yml
index 737068f..6570899 100644
--- a/.github/workflows/docker-publish.yml
+++ b/.github/workflows/docker-publish.yml
@@ -22,7 +22,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Set up QEMU (for ARM64 cross-build)
         uses: docker/setup-qemu-action@v4
diff --git a/.github/workflows/release-thunderbird-filelink.yml b/.github/workflows/release-thunderbird-filelink.yml
index f7dc454..69c6414 100644
--- a/.github/workflows/release-thunderbird-filelink.yml
+++ b/.github/workflows/release-thunderbird-filelink.yml
@@ -17,7 +17,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0 # required to read all tags