diff --git a/requirements b/requirements
index 1c48b6a7..1724d128 100644
--- a/requirements
+++ b/requirements
@@ -1,6 +1,6 @@
-argh==0.26.2
-pathtools==0.1.2
-PyYAML==3.12
-requests==2.11.1
-watchdog==0.8.3
-wheel==0.24.0
+argh>=0.26.2
+pathtools>=0.1.2
+PyYAML>=3.12
+requests>=2.11.1
+watchdog>=0.8.3
+wheel>=0.24.0