diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 5b56929..36a5325 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
     - name: Setup .NET
       uses: actions/setup-dotnet@v4
       with:
diff --git a/.github/workflows/semgrep.yml b/.github/workflows/semgrep.yml
index 62fe620..7d96ea4 100644
--- a/.github/workflows/semgrep.yml
+++ b/.github/workflows/semgrep.yml
@@ -41,7 +41,7 @@ jobs:
       - if: github.actor == 'dependabot[bot]' || github.event_name == 'merge_group'
         run: exit 0 # Skip unnecessary test runs for dependabot and merge queues. Artifically flag as successful, as this is a required check for branch protection.
 
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with:
           ref: ${{ github.event.pull_request.head.sha || github.ref }}