diff --git a/yarn.lock b/yarn.lock
index 467f6ef..ed41983 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1266,10 +1266,14 @@ combined-stream@^1.0.6, combined-stream@~1.0.6:
   dependencies:
     delayed-stream "~1.0.0"
 
-commander@^2.12.1, commander@^2.19.0, commander@~2.20.0:
+commander@^2.12.1, commander@^2.19.0:
   version "2.20.0"
   resolved "https://registry.yarnpkg.com/commander/-/commander-2.20.0.tgz#d58bb2b5c1ee8f87b0d340027e9e94e222c5a422"
 
+commander@~2.20.3:
+  version "2.20.3"
+  resolved "https://registry.yarnpkg.com/commander/-/commander-2.20.3.tgz#fd485e84c03eb4881c20722ba48035e8531aeb33"
+
 component-emitter@^1.2.1:
   version "1.3.0"
   resolved "https://registry.yarnpkg.com/component-emitter/-/component-emitter-1.3.0.tgz#16e4070fba8ae29b679f2215853ee181ab2eabc0"
@@ -1856,8 +1860,8 @@ growly@^1.3.0:
   resolved "https://registry.yarnpkg.com/growly/-/growly-1.3.0.tgz#f10748cbe76af964b7c96c93c6bcc28af120c081"
 
 handlebars@^4.1.2:
-  version "4.1.2"
-  resolved "https://registry.yarnpkg.com/handlebars/-/handlebars-4.1.2.tgz#b6b37c1ced0306b221e094fc7aca3ec23b131b67"
+  version "4.5.3"
+  resolved "https://registry.yarnpkg.com/handlebars/-/handlebars-4.5.3.tgz#5cf75bd8714f7605713511a56be7c349becb0482"
   dependencies:
     neo-async "^2.6.0"
     optimist "^0.6.1"
@@ -4200,10 +4204,10 @@ typescript@3.3.3333:
   resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.3.3333.tgz#171b2c5af66c59e9431199117a3bcadc66fdcfd6"
 
 uglify-js@^3.1.4:
-  version "3.5.15"
-  resolved "https://registry.yarnpkg.com/uglify-js/-/uglify-js-3.5.15.tgz#fe2b5378fd0b09e116864041437bff889105ce24"
+  version "3.7.3"
+  resolved "https://registry.yarnpkg.com/uglify-js/-/uglify-js-3.7.3.tgz#f918fce9182f466d5140f24bb0ff35c2d32dcc6a"
   dependencies:
-    commander "~2.20.0"
+    commander "~2.20.3"
     source-map "~0.6.1"
 
 undefsafe@^2.0.2: