diff --git a/python/requirements.txt b/python/requirements.txt
index 9f345e7517e..5c076b668df 100644
--- a/python/requirements.txt
+++ b/python/requirements.txt
@@ -1,6 +1,6 @@
 Cython>=0.19.2
-h5py==2.2.0
-ipython==1.1.0
+h5py>=2.2.0
+ipython>=1.1.0
 leveldb>=0.191
 matplotlib>=1.3.1
 networkx>=1.8.1