diff --git a/requirements.lock.txt b/requirements.lock.txt
index 6c6a6f0..b6126e8 100644
--- a/requirements.lock.txt
+++ b/requirements.lock.txt
@@ -58,6 +58,6 @@ smbus==1.1
 spidev==3.0
 traitlets==4.3.2
 twython==3.1.2
-urllib3==1.9.1
+urllib3==1.24.2
 wcwidth==0.1.7
 Werkzeug==0.9.6