diff --git a/requirements-dev.txt b/requirements-dev.txt
index 1510fd8..be1c36e 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -24,6 +24,6 @@ pytest-flakes==4.0.0
 PyYAML==5.1.2
 requests==2.22.0
 six==1.12.0
-urllib3==1.25.6
+urllib3==1.26.5
 wcwidth==0.1.7
 zipp==0.6.0