diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index dc0ae91..4a15b6b 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -11,7 +11,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
 
       - name: Cache mypy
         uses: actions/cache@0057852bfaa89a56745cba8c7296529d2fc39830 # v4.3.0