diff --git a/.travis.yml b/.travis.yml
index cfd9c52..c3b166e 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -50,3 +50,4 @@ install:
 
 script:
   - make test || { cat src/pg/test/regression.diffs; false; }
+  - ./check-compatibility.sh