diff --git a/.github/workflows/pr-checks.yml b/.github/workflows/pr-checks.yml
index 49d7461..402c243 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@086ba257175c593bf01e50207a7626cb17c3c28b # v0.13.2
+        uses: jackchuka/mdschema@5b957a7fe2548099b4bf96634756c7b0d0316f2f # v0.13.3
         with:
           files: "README.md docs/**/*.md"
           schema: "schema.yml"