diff --git a/requirements.txt b/requirements.txt
index 5d16510..bbc1e61 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -27,4 +27,4 @@ requests==2.18.4
 scipy==1.0.0
 Shapely==1.6.4.post1
 six==1.11.0
-urllib3==1.22
+urllib3==1.26.5