diff --git a/.github/workflows/stdlib-naming.yml b/.github/workflows/stdlib-naming.yml
index f588abf..3f3eaad 100644
--- a/.github/workflows/stdlib-naming.yml
+++ b/.github/workflows/stdlib-naming.yml
@@ -24,7 +24,7 @@ jobs:
   enforce-lowercase-stdlib:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
 
       - name: Enforce lowercase .affine filenames in stdlib/
         run: |