diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 78a45e02..3643ac6c 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -25,7 +25,7 @@ jobs:
     permissions:
       contents: write
     steps:
-      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
         with:
           ref: ${{ github.head_ref || github.ref_name }}
       - name: Regenerate docs