diff --git a/requirements.txt b/requirements.txt
index b84033b..a5e4677 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@
 # of appearance. Changing the order has an impact on the overall integration
 # process, which may cause wedges in the gate later.
 cliff>=1.10.0  # Apache-2.0
-jsonschema>=2.0.0,<3.0.0
+jsonschema>=2.0.0,<3.0.0,!=2.5.0
 oslo.utils>=1.4.0                       # Apache-2.0
 pbr>=0.11,<2.0
 python-keystoneclient>=1.6.0