diff --git a/requirements.txt b/requirements.txt
index 1b18cd5..7ffab97 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -18,7 +18,7 @@ pyflakes==3.0.1
 pyparsing==3.0.9
 pytest==7.2.0
 rope==1.6.0
-six==1.15.0
+six==1.16.0
 sortedcontainers==2.4.0
 toml==0.10.2
 wcwidth==0.2.5