diff --git a/requirements.txt b/requirements.txt
index 5f4f739..f2a59b4 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -47,7 +47,7 @@ toml==0.10.0
 tox==3.7.0
 tqdm==4.29.1
 twine==1.12.1
-urllib3==1.24.1
+urllib3==1.26.5
 virtualenv==16.2.0
 webencodings==0.5.1
 werkzeug==0.14.1