diff --git a/libraries/botframework-connector/setup.py b/libraries/botframework-connector/setup.py
index <HASH>..<HASH> 100644
--- a/libraries/botframework-connector/setup.py
+++ b/libraries/botframework-connector/setup.py
@@ -12,6 +12,7 @@ REQUIRES = [
     "PyJWT==1.5.3",
     "botbuilder-schema>=4.7.1",
     "adal==1.2.1",
+    "msal==1.1.0"
 ]
 
 root = os.path.abspath(os.path.dirname(__file__))
Updated botframework-connector setup.py requirements.