diff --git a/src/azure-cli-core/setup.py b/src/azure-cli-core/setup.py
index a02cf04cd41..cf06af43827 100644
--- a/src/azure-cli-core/setup.py
+++ b/src/azure-cli-core/setup.py
@@ -56,7 +56,7 @@
     'colorama',
     'humanfriendly',
     'jmespath',
-    'knack',
+    'knack==0.2.0',
     'msrest>=0.4.4',
     'msrestazure>=0.4.7',
     'paramiko',