diff --git a/.travis.yml b/.travis.yml
index 0dde8317d62a14d11d39a3d48c481be5d7ac1e42..08bcfaaddb4f4fc48336a79247079546e31ba4f2 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -9,6 +9,7 @@ addons:
 language: python
 python:
   - "2.7"
+  - "3.5"
   - "3.6"
 before_install:
   - "export DISPLAY=:99.0"