diff --git a/.travis.yml b/.travis.yml
index 6b01369..a9bfeca 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,6 +2,6 @@ language: python
 python:
   - "2.7"
 install:
-  - pip install PyXmlSec
+  - pip install PyXmlSec --allow-external PyXMLSec --allow-insecure PyXMLSec
 script: nosetests