diff --git a/.github/workflows/d.yml b/.github/workflows/d.yml
index 316441c..046f707 100644
--- a/.github/workflows/d.yml
+++ b/.github/workflows/d.yml
@@ -19,7 +19,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - uses: dlang-community/setup-dlang@v2
 
     - name: 'Build & Test'