diff --git a/requirements.txt b/requirements.txt
index 90bcede..e3306a5 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -10,4 +10,4 @@ Pillow==4.1.1
 pyparsing==2.2.0
 requests==2.18.1
 six==1.10.0
-urllib3==1.21.1
+urllib3==1.24.2