diff --git a/requirements.txt b/requirements.txt
index 2a23a9a..1d28ee3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -15,4 +15,4 @@ six==1.14.0
 sniffio==1.1.0
 sortedcontainers==2.1.0
 trio==0.13.0
-urllib3==1.25.8
+urllib3==1.26.5