diff --git a/src/requirements.txt b/src/requirements.txt
index 9deb5bd..9c182a9 100644
--- a/src/requirements.txt
+++ b/src/requirements.txt
@@ -29,7 +29,7 @@ six==1.12.0
 toml==0.10.0
 tox==3.14.0
 typed-ast==1.4.0
-urllib3==1.24.3
+urllib3==1.26.5
 virtualenv==16.7.7
 wcwidth==0.1.7
 wrapt==1.11.2