diff --git a/requirements.txt b/requirements.txt
index a6ed41c..5af2614 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -34,7 +34,7 @@ pytest==5.4.1
 ratelimiter==1.2.0.post0
 rethinkdb==2.4.5
 rope==0.16.0
-six==1.14.0
+six==1.15.0
 typed-ast==1.4.1
 typing-extensions==3.7.4.1
 wcwidth==0.2.5