diff --git a/requirements.txt b/requirements.txt
index 1f78d378b..d3bf986c1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -24,5 +24,5 @@ requests==2.22.0
 six==1.12.0
 subprocess32==3.5.4; python_version < '3.2'
 texttable==1.6.2
-urllib3==1.25.7; python_version == '3.3'
+urllib3==1.25.9; python_version == '3.3'
 websocket-client==0.57.0