diff --git a/.github/workflows/validation.yml b/.github/workflows/validation.yml
index fd0bafa..198d2d7 100644
--- a/.github/workflows/validation.yml
+++ b/.github/workflows/validation.yml
@@ -13,6 +13,6 @@ jobs:
     name: Validate against TEI_all
     steps:
       - name: Checkout
-        uses: actions/checkout@0ad4b8fadaa221de15dcec353f45205ec38ea70b # v4.1.4
+        uses: actions/checkout@a5ac7e51b41094c92402da3b24376905380afc29 # v4.1.6
       - name: Validate
         uses: dracor-org/tei-validate-action@94b08b8bf0dd1810fe7962aa59435b46c769bbcb # v1.2.0