diff --git a/requirements.txt b/requirements.txt
index 40f2122..8719dbf 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,5 +7,5 @@ Jinja2==2.7.3
 MarkupSafe==0.23
 -e git+https://github.com/brendano/stanford_corenlp_pywrapper#egg=stanford_corenlp_pywrapper
 tornado==4.2
-urllib3==1.10.4
+urllib3==1.26.5
 Werkzeug==0.10.4