diff --git a/requirements.txt b/requirements.txt
index 759c668d1ef6..91cb544f2b0a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -13,7 +13,7 @@ WebOb>=1.2.3
 greenlet>=0.3.2
 PasteDeploy>=1.5.0
 Paste
-sqlalchemy-migrate>=0.8.2
+sqlalchemy-migrate>=0.8.2,!=0.8.4
 netaddr>=0.7.6
 suds>=0.4
 paramiko>=1.9.0
@@ -31,5 +31,5 @@ websockify>=0.5.1,<0.6
 wsgiref>=0.1.2
 oslo.config>=1.2.0
 oslo.rootwrap
-pycadf>=0.1.9
+pycadf>=0.4.1
 oslo.messaging>=1.3.0a4