diff --git a/.travis.yml b/.travis.yml
index 392a2d8..7abc337 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -9,6 +9,8 @@ python:
   - "3.5-dev" # 3.5 development branch
   - "nightly" # currently points to 3.6-dev
 # command to install dependencies
-install: "pip install -r requirements.txt"
+install: - "pip install -r requirements.txt"
+         - "pip install -e ."
+
 # command to run tests
 script: py.test