diff --git a/interop/authzen-todo-application/yarn.lock b/interop/authzen-todo-application/yarn.lock
index a3afb91..092d5fd 100644
--- a/interop/authzen-todo-application/yarn.lock
+++ b/interop/authzen-todo-application/yarn.lock
@@ -4846,9 +4846,9 @@ internal-slot@^1.0.3:
     side-channel "^1.0.4"
 
 ip@^1.1.0:
-  version "1.1.5"
-  resolved "https://registry.npmjs.org/ip/-/ip-1.1.5.tgz"
-  integrity sha1-vd7XARQpCCjAoDnnLvJfWq7ENUo=
+  version "1.1.9"
+  resolved "https://registry.yarnpkg.com/ip/-/ip-1.1.9.tgz#8dfbcc99a754d07f425310b86a99546b1151e396"
+  integrity sha512-cyRxvOEpNHNtchU3Ln9KC/auJgup87llfQpQ+t5ghoC/UhL16SWzbueiCsdTnWmqAWl7LadfuwhlqmtOaqMHdQ==
 
 ipaddr.js@1.9.1:
   version "1.9.1"