diff --git a/dev_requirements.txt b/dev_requirements.txt
index 1988255..f8f55d4 100644
--- a/dev_requirements.txt
+++ b/dev_requirements.txt
@@ -25,5 +25,5 @@ tqdm==4.53.0
 twine==3.2.0
 typed-ast==1.4.1
 typing-extensions==3.7.4.3
-urllib3==1.26.2
+urllib3==1.26.5
 webencodings==0.5.1