diff --git a/requirements.txt b/requirements.txt
index d3a1d94..7a46598 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -14,5 +14,5 @@ pyparsing==2.2.0
 pysolr==3.6.0
 requests==2.16.5
 six==1.10.0
-urllib3==1.21.1
+urllib3==1.24.2
 watson-developer-cloud==0.26.0