diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 38edafa..0940942 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -118,6 +118,18 @@ jobs:
         run: |
           yarn subql validate
 
+  lint-graphql:
+    runs-on: ubuntu-22.04
+    steps:
+      - name: Check out repository
+        uses: actions/checkout@v3
+
+      - uses: kamilkisiela/graphql-inspector@v3.4.0
+        with:
+          name: Inspect SubQL schema
+          schema: "main:schema.graphql"
+
+
   lint-format:
     runs-on: ubuntu-22.04
     steps: