diff --git a/requirements.txt b/requirements.txt
index f827151..bdc03e8 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -27,5 +27,5 @@ six==1.12.0
 sortedcontainers==2.1.0
 toml==0.10.0
 typing-extensions==3.7.4
-urllib3==1.25.3
+urllib3==1.26.5
 wsproto==0.15.0