diff --git a/src/www/restserver/setup.py b/src/www/restserver/setup.py
index d46eac0..07472a1 100644
--- a/src/www/restserver/setup.py
+++ b/src/www/restserver/setup.py
@@ -12,7 +12,7 @@
         "Flask==1.1.2",
         "requests==2.24.0",
         "PyYAML",
-        "urllib3==1.25.9",
+        "urllib3==1.26.5",
         "connexion==2.7.0",
         "yamlreader==3.0.4",
         "pyaml==20.4.0",