diff --git a/requirements.txt b/requirements.txt
index 36bd5df4f..400e8f3cc 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -23,7 +23,7 @@ swagger-spec-validator==2.4.3
 marshmallow==3.9.0
 treelib==1.5.5
 Twisted[tls]==20.3.0
-urllib3==1.26.6
+urllib3==1.26.18
 watchdog==0.9.0
 Werkzeug==0.16.0
 yosai==0.3.2