diff --git a/requirements.txt b/requirements.txt
index 8691a62..b3585ec 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -43,6 +43,6 @@ sphinxcontrib-qthelp==1.0.2
 sphinxcontrib-serializinghtml==1.1.3
 tornado==4.5.3
 typed-ast==1.4.0
-urllib3==1.25.3
+urllib3==1.26.5
 watchdog==0.9.0
 wrapt==1.11.2