diff --git a/requirements.txt b/requirements.txt
index 5b8ed923..13d8faaf 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,7 +7,7 @@ pbr>=0.6,!=0.7,<1.0
 # NOTE(mriedem): pycadf needs to come before Babel because of an uncapped
 # common dependency on pytz and it needs to come before oslo.config because
 # of an uncapped common dependency on netaddr.
-pycadf>=0.6.0,<0.7.0  # Apache-2.0
+pycadf>=0.6.0,!=0.6.2,<0.7.0  # Apache-2.0
 Babel>=1.3,<=1.3
 iso8601>=0.1.9,<=0.1.10
 oslo.config>=1.4.0,<=1.6.0 # Apache-2.0