diff --git a/.travis.yml b/.travis.yml
index 6ca5c3b..e7ea1a3 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,5 +1,6 @@
 language: python
 python:
+    - "2.5"
     - "2.6"
     - "2.7"
     - "pypy"