diff --git a/.github/workflows/pr-checks.yml b/.github/workflows/pr-checks.yml
index 2c28890..4f56fcc 100644
--- a/.github/workflows/pr-checks.yml
+++ b/.github/workflows/pr-checks.yml
@@ -55,7 +55,7 @@ jobs:
           fetch-depth: 0
 
       - name: Validate markdown schema
-        uses: jackchuka/mdschema@605e0e9aaf9097e1007af51136141a6481527a7b # v0.12.9
+        uses: jackchuka/mdschema@80a9e9e6d0ee91e8b757a58142073340a0ebe570 # v0.13.1
         with:
           files: "README.md docs/**/*.md"
           schema: "schema.yml"