diff --git a/requirements.txt b/requirements.txt
index 4e62e68..ee35dc4 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -54,7 +54,7 @@ six==1.11.0
 toml==0.10.0
 tqdm==4.28.1
 tracery==0.1.1
-urllib3==1.23
+urllib3==1.26.18
 w3lib==1.19.0
 websockets==7.0
 Werkzeug==0.14.1