Starts using version interval instead of version pinning, that way, patch versions (security updates…), which do not break API will get installed without requirements.txt modification.
@@ -1,4 +1,4 @@
-Django==1.7.11
+Django>=1.8.17,<1.9
psycopg2==2.5.2
python-ldap==2.4.15
wsgiref==0.1.2