diff --git a/demo/app/yarn.lock b/demo/app/yarn.lock
index e4acb79..72d4d89 100644
--- a/demo/app/yarn.lock
+++ b/demo/app/yarn.lock
@@ -155,11 +155,11 @@ convert-source-map@^1.1.0:
     safe-buffer "~5.1.1"
 
 debug@^4.1.0:
-  version "4.1.1"
-  resolved "http://npm.mapado.net:4873/debug/-/debug-4.1.1.tgz#3b72260255109c6b589cee050f1d516139664791"
-  integrity sha512-pYAIzeRo8J6KPEaJ0VWOh5Pzkbw/RetuzehGM7QRRX5he4fPHx2rdKMB256ehJCkX+XRQm16eZLqLNS8RSZXZw==
+  version "4.3.4"
+  resolved "https://registry.yarnpkg.com/debug/-/debug-4.3.4.tgz#1319f6579357f2338d3337d2cdd4914bb5dcc865"
+  integrity sha512-PRWFHuSU3eDtQJPvnNY7Jcket1j0t5OuOsFzPPzsekD52Zl8qUfFIPEiswXqIvHWGVHOgX+7G/vCNNhehwxfkQ==
   dependencies:
-    ms "^2.1.1"
+    ms "2.1.2"
 
 deep-diff@^1.0.2:
   version "1.0.2"
@@ -206,9 +206,9 @@ lodash@^4.17.11:
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.21.tgz#679591c564c3bffaae8454cf0b3df370c3d6911c"
   integrity sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg==
 
-ms@^2.1.1:
+ms@2.1.2:
   version "2.1.2"
-  resolved "http://npm.mapado.net:4873/ms/-/ms-2.1.2.tgz#d09d1f357b443f493382a8eb3ccd183872ae6009"
+  resolved "https://registry.yarnpkg.com/ms/-/ms-2.1.2.tgz#d09d1f357b443f493382a8eb3ccd183872ae6009"
   integrity sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w==
 
 path-parse@^1.0.6: