diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 24bec34c..a82162de 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-24.04
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
       - name: Install dev container dependencies
         run: npm install -g @devcontainers/cli@0.65.0
       - name: Create dev container
diff --git a/.github/workflows/on-host-workflow.yml b/.github/workflows/on-host-workflow.yml
index d0ac35df..bc8d499a 100644
--- a/.github/workflows/on-host-workflow.yml
+++ b/.github/workflows/on-host-workflow.yml
@@ -24,7 +24,7 @@ jobs:
     # created should allow blending global and local installations as the user sees fit.
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
       - name: Global setup
         # These steps typically need to be done once per machine, or when the project dependencies change.
         #
@@ -61,7 +61,7 @@ jobs:
     # `acap-build` can be used for an easier setup:
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
       - name: Install system packages
         run: |
           sudo apt-get update