diff --git a/requirements.txt b/requirements.txt
index 1f78d378b..1845798b0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -25,4 +25,5 @@ six==1.12.0
 subprocess32==3.5.4; python_version < '3.2'
 texttable==1.6.2
 urllib3==1.25.7; python_version == '3.3'
+wcwidth==0.1.9
 websocket-client==0.57.0