diff --git a/serverless/nodejs-koa/yarn.lock b/serverless/nodejs-koa/yarn.lock
index 31a4102..12e2b26 100644
--- a/serverless/nodejs-koa/yarn.lock
+++ b/serverless/nodejs-koa/yarn.lock
@@ -259,8 +259,8 @@ type-is@^1.6.16:
     mime-types "~2.1.24"
 
 urijs@^1.19.0:
-  version "1.19.1"
-  resolved "https://registry.yarnpkg.com/urijs/-/urijs-1.19.1.tgz#5b0ff530c0cbde8386f6342235ba5ca6e995d25a"
+  version "1.19.5"
+  resolved "https://registry.yarnpkg.com/urijs/-/urijs-1.19.5.tgz#119683ab4b2fb0bd637e5ea6dd9117bcac68d3e4"
 
 vary@^1.1.2:
   version "1.1.2"