diff --git a/requirements.txt b/requirements.txt
index 97a661c13c5261d07cff2fd84e94df76517d85db..feaa21dec400c0c65d59d4b9724df308d0c194d7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,3 @@
 apistar==0.7.2
 requests==2.25.1
-six==1.15.0
+six==1.16.0