diff --git a/websocket_server/requirements.txt b/websocket_server/requirements.txt
index d343437..c1aa3bd 100644
--- a/websocket_server/requirements.txt
+++ b/websocket_server/requirements.txt
@@ -35,5 +35,5 @@ requests-oauthlib==1.3.0
 rsa==4.0
 six==1.14.0
 uritemplate==3.0.1
-urllib3==1.25.9
+urllib3==1.26.5
 Werkzeug==1.0.1