diff --git a/requirements.txt b/requirements.txt
index 00aadf7..b3eb104 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -10,4 +10,4 @@ requests==2.18.4
 scipy==1.1.0
 six==1.11.0
 stanford-corenlp==3.8.0
-urllib3==1.22
+urllib3==1.26.5