diff --git a/requirements.txt b/requirements.txt
index 324a8b305e3a705ba75cc5eb2ee1710fe6279524..684ca797a2831374fc208aa56e57535de7031bae 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,13 +1,3 @@
-alabaster==0.7.7
-Babel==2.2.0
-docutils==0.12
-Jinja2==2.8
-MarkupSafe==0.23
 py==1.4.31
-Pygments==2.1
-pytest==2.8.7
-pytz==2015.7
-six==1.10.0
-snowballstemmer==1.2.1
-Sphinx==1.3.5
-sphinx-rtd-theme==0.1.9
+pytest==2.9.1
+-e .