diff --git a/.travis.yml b/.travis.yml
index 6cbd5f9..91b9a75 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -9,7 +9,7 @@ script:
   coverage run --source=pytrustnfe setup.py nosetests
 before_install:
   - sudo apt-get update -qq
-  - sudo apt-get install -qq libxml2-dev libxmlsec1-dev libxslt-dev 
+  - sudo apt-get install -qq build-essential libxml2-dev libxmlsec1-dev libxslt-dev 
   - sudo apt-get install -qq python-dev python-lxml python-libxml2
   - sudo apt-get install -qq python-libxslt1 libxml2
 after_success: