diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 722a9d42..5535a5fc 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -29,6 +29,8 @@ jobs:
       - name: Lint and type-check
         run: |
           npx turbo lint type-check
+      - name: Validate Grats generated files are up-to-date
+        run: ./scripts/validate-grats.sh
       - name: Run tests
         run: |
           touch packages/skin-database/config.js
diff --git a/scripts/validate-grats.sh b/scripts/validate-grats.sh
new file mode 100755
index 00000000..1d6b7dd8
--- /dev/null
+++ b/scripts/validate-grats.sh
@@ -0,0 +1,31 @@
+#!/bin/bash
+
+# Script to validate that Grats generated files are up-to-date
+# This ensures that developers have run Grats locally and committed the generated files
+
+set -e
+
+echo "🔍 Validating Grats generated files are up-to-date..."
+
+# Run Grats to regenerate schema files
+echo "Running Grats to regenerate schema files..."
+npx turbo run grats --filter=skin-database
+
+# Check if the generated files were modified
+CHANGES=$(git status --porcelain packages/skin-database/api/graphql/)
+
+if [ -n "$CHANGES" ]; then
+    echo "❌ Grats generated files are out of date!"
+    echo ""
+    echo "The following generated files have changes after running Grats:"
+    echo "$CHANGES"
+    echo ""
+    echo "Please run the following command locally and commit the changes:"
+    echo "  npx turbo run grats --filter=skin-database"
+    echo ""
+    echo "Diff of changes:"
+    git diff packages/skin-database/api/graphql/
+    exit 1
+else
+    echo "✅ Grats generated files are up-to-date"
+fi