diff --git a/requirements.txt b/requirements.txt
index cc27065..2fedc53 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -26,5 +26,5 @@ requests==2.18.4
 scipy==1.0.0
 six==1.11.0
 sobol-seq==0.1.2
-urllib3==1.22
+urllib3==1.24.2