diff --git a/requirements.txt b/requirements.txt
index 87aca1e..ab65496 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -19,7 +19,7 @@ Pygments==2.2.0
 pytest==3.6.3
 pytz==2018.5
 six==1.11.0
-urllib3==1.23
+urllib3==1.24.2
 wcwidth==0.1.7
 websockets==4.0.1
 yarl==1.1.1