diff --git a/checkout/action.yml b/checkout/action.yml
index 2a4919c..8a27f89 100644
--- a/checkout/action.yml
+++ b/checkout/action.yml
@@ -33,9 +33,9 @@ runs:
   using: composite
   steps:
     # Pinned to commit SHA instead of a tag to prevent supply chain attacks.
-    # actions/checkout v5.0.1 — https://code.forgejo.org/actions/checkout/commits/tag/v5.0.1
+    # actions/checkout v4.3.1 — https://code.forgejo.org/actions/checkout/commits/tag/v4.3.1
     - name: Checkout repository
-      uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd
+      uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5
       with:
         ref: ${{ inputs.ref }}
         repository: ${{ inputs.repository }}