diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 3f105c6..353c53f 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -29,3 +29,5 @@ jobs:
       - run: cargo build
       - run: cargo test
         if: matrix.rust != '1.17.0'
+      - name: Verify regenerated files
+        run: ./scripts/unicode.py && diff tables.rs src/tables.rs