diff --git a/src/azure-cli-core/setup.py b/src/azure-cli-core/setup.py
index ef815b5e243..c5e199765ec 100644
--- a/src/azure-cli-core/setup.py
+++ b/src/azure-cli-core/setup.py
@@ -59,7 +59,7 @@
     'requests~=2.22',
     'six~=1.12',
     'pkginfo>=1.5.0.1',
-    'azure-mgmt-core==1.2.1',
+    'azure-mgmt-core>=1.2.0,<2.0.0',
     # Dependencies of the vendored subscription SDK
     # https://github.com/Azure/azure-sdk-for-python/blob/ab12b048ddf676fe0ccec16b2167117f0609700d/sdk/resources/azure-mgmt-resource/setup.py#L82-L86
     'msrest>=0.5.0',