diff --git a/.travis.yml b/.travis.yml
index 1a695c1..d4094b6 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -18,6 +18,8 @@ env:
     - DEPS=aiohttp
     - DEPS=tornado pycurl
     - DEPS=tornado
+    - DEPS="tornado<5" pycurl
+    - DEPS="tornado<5"
 matrix:
   fast_finish: true
   allow_failures: