diff --git a/requirements.txt b/requirements.txt
index 2a57acb..88050f9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -38,6 +38,6 @@ spi==0.2.0
 SPI-Py==1.0
 spidev==3.2
 twython==3.1.2
-urllib3==1.9.1
+urllib3==1.26.5
 websocket-client==0.37.0
 Werkzeug==0.9.6