diff --git a/requirements.txt b/requirements.txt
index 450c4f6c..0dec0e94 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -17,7 +17,7 @@ PyYAML>=3.1.0
 requests>=1.1
 six>=1.7.0
 SQLAlchemy>=0.9.7,<=0.9.99
-WSME>=0.6
+WSME>=0.6,<0.8
 sqlalchemy-migrate>=0.9.1,!=0.9.2
 SQLAlchemy-FullText-Search
 eventlet>=0.13.0