diff --git a/requirements.txt b/requirements.txt
index e858e68..d597105 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
-Django (2.0.1)
-pip (9.0.1)
-pytz (2017.3)
-setuptools (38.4.0)
-wheel (0.30.0)
+Django>=2.0.1
+pip>=9.0.1
+pytz>=2017.3
+setuptools>=38.4.0
+wheel>=0.30.0