diff --git a/gui/public/javascripts/popper.js/packages/test-utils/yarn.lock b/gui/public/javascripts/popper.js/packages/test-utils/yarn.lock
index 6e23157..14834c5 100644
--- a/gui/public/javascripts/popper.js/packages/test-utils/yarn.lock
+++ b/gui/public/javascripts/popper.js/packages/test-utils/yarn.lock
@@ -82,8 +82,8 @@ core-js@^2.4.0:
   resolved "https://registry.yarnpkg.com/core-js/-/core-js-2.5.0.tgz#569c050918be6486b3837552028ae0466b717086"
 
 debug@^2.2.0:
-  version "2.6.8"
-  resolved "https://registry.yarnpkg.com/debug/-/debug-2.6.8.tgz#e731531ca2ede27d188222427da17821d68ff4fc"
+  version "2.6.9"
+  resolved "https://registry.yarnpkg.com/debug/-/debug-2.6.9.tgz#5d128515df134ff327e90a4c93f4e077a536341f"
   dependencies:
     ms "2.0.0"