diff --git a/requirements.txt b/requirements.txt
index 3e325130..75a2c73f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,7 +7,7 @@ stevedore>=1.5.0 # Apache-2.0
 six>=1.9.0
 iso8601>=0.1.9
 zake>=0.1.6 # Apache-2.0
-jsonschema>=2.0.0,<3.0.0,!=2.5.0
+jsonschema!=2.5.0,<3.0.0,>=2.0.0
 msgpack-python>=0.4.0
 fasteners>=0.7 # Apache-2.0
 retrying!=1.3.0,>=1.2.3 # Apache-2.0