diff --git a/requirements.txt b/requirements.txt
index 4a9af73..c92df8f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,3 @@
 Sphinx==1.3.1
-https://bitbucket.org/readthedocs/sphinx-autoapi/get/master.zip
-https://github.com/snide/sphinx_rtd_theme/archive/master.zip
+-e https://bitbucket.org/readthedocs/sphinx-autoapi/get/master.zip
+-e https://github.com/snide/sphinx_rtd_theme/archive/master.zip