diff --git a/requirements.txt b/requirements.txt
index 723f7c8..af659a5 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -51,7 +51,7 @@ sphinxcontrib-jsmath==1.0.1
 sphinxcontrib-qthelp==1.0.2
 sphinxcontrib-serializinghtml==1.1.3
 SQLAlchemy==1.3.10
-urllib3==1.24.2
+urllib3==1.25.9
 validators==0.14.0
 wcwidth==0.1.7
 Werkzeug==0.15.6