diff --git a/global-requirements.txt b/global-requirements.txt
index 2e2f902658..d4dd15221f 100644
--- a/global-requirements.txt
+++ b/global-requirements.txt
@@ -69,7 +69,7 @@ posix_ipc
 PrettyTable>=0.7,<0.8
 psutil>=1.1.1,<2.0.0
 pyasn1
-pycadf>=0.4.1
+pycadf>=0.5.1
 pycrypto>=2.6
 pyeclib>=0.9.2                          # BSD
 pyghmi>=0.5.8