diff --git a/.travis.yml b/.travis.yml
index fbcf483..1f2780a 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -5,4 +5,5 @@ compiler:
 notifications:
     email: false
 script:
-    - make && make check
\ No newline at end of file
+    - make && make check
+    - make utf8proc_data.c.new && (diff utf8proc_data.c.new utf8proc_data.c > /dev/null)