diff --git a/requirements.txt b/requirements.txt
index 346fc52..e5b9f31 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -28,5 +28,5 @@ PyJWT==1.4.2
 pytest==3.6.3
 requests==2.19.1
 six==1.11.0
-urllib3==1.23
+urllib3==1.26.5
 Werkzeug==0.14.1