diff --git a/yarn.lock b/yarn.lock
index 017f7c1..3a92576 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2374,7 +2374,7 @@ combined-stream@^1.0.6, combined-stream@~1.0.6:
   dependencies:
     delayed-stream "~1.0.0"
 
-commander@^2.19.0, commander@^2.9.0, commander@~2.20.0:
+commander@^2.19.0, commander@^2.9.0:
   version "2.20.1"
   resolved "https://registry.yarnpkg.com/commander/-/commander-2.20.1.tgz#3863ce3ca92d0831dcf2a102f5fb4b5926afd0f9"
 
@@ -3958,12 +3958,13 @@ hammerjs@^2.0.8:
   resolved "https://registry.yarnpkg.com/hammerjs/-/hammerjs-2.0.8.tgz#04ef77862cff2bb79d30f7692095930222bf60f1"
 
 handlebars@^4.1.2:
-  version "4.4.0"
-  resolved "https://registry.yarnpkg.com/handlebars/-/handlebars-4.4.0.tgz#22e1a897c5d83023d39801f35f6b65cf97ed8b25"
+  version "4.7.6"
+  resolved "https://registry.yarnpkg.com/handlebars/-/handlebars-4.7.6.tgz#d4c05c1baf90e9945f77aa68a7a219aa4a7df74e"
   dependencies:
+    minimist "^1.2.5"
     neo-async "^2.6.0"
-    optimist "^0.6.1"
     source-map "^0.6.1"
+    wordwrap "^1.0.0"
   optionalDependencies:
     uglify-js "^3.1.4"
 
@@ -5864,9 +5865,9 @@ minimist@0.0.8:
   version "0.0.8"
   resolved "https://registry.yarnpkg.com/minimist/-/minimist-0.0.8.tgz#857fcabfc3397d2625b8228262e86aa7a011b05d"
 
-minimist@^1.1.1, minimist@^1.1.3, minimist@^1.2.0:
-  version "1.2.0"
-  resolved "https://registry.yarnpkg.com/minimist/-/minimist-1.2.0.tgz#a35008b20f41383eec1fb914f4cd5df79a264284"
+minimist@^1.1.1, minimist@^1.1.3, minimist@^1.2.0, minimist@^1.2.5:
+  version "1.2.5"
+  resolved "https://registry.yarnpkg.com/minimist/-/minimist-1.2.5.tgz#67d66014b66a6a8aaa0c083c5fd58df4e4e97602"
 
 minimist@~0.0.1:
   version "0.0.10"
@@ -5969,8 +5970,8 @@ negotiator@0.6.2:
   resolved "https://registry.yarnpkg.com/negotiator/-/negotiator-0.6.2.tgz#feacf7ccf525a77ae9634436a64883ffeca346fb"
 
 neo-async@^2.6.0:
-  version "2.6.1"
-  resolved "https://registry.yarnpkg.com/neo-async/-/neo-async-2.6.1.tgz#ac27ada66167fa8849a6addd837f6b189ad2081c"
+  version "2.6.2"
+  resolved "https://registry.yarnpkg.com/neo-async/-/neo-async-2.6.2.tgz#b4aafb93e3aeb2d8174ca53cf163ab7d7308305f"
 
 nice-try@^1.0.4:
   version "1.0.5"
@@ -8059,11 +8060,8 @@ uglify-es@^3.1.9:
     source-map "~0.6.1"
 
 uglify-js@^3.1.4:
-  version "3.6.0"
-  resolved "https://registry.yarnpkg.com/uglify-js/-/uglify-js-3.6.0.tgz#704681345c53a8b2079fb6cec294b05ead242ff5"
-  dependencies:
-    commander "~2.20.0"
-    source-map "~0.6.1"
+  version "3.10.4"
+  resolved "https://registry.yarnpkg.com/uglify-js/-/uglify-js-3.10.4.tgz#dd680f5687bc0d7a93b14a3482d16db6eba2bfbb"
 
 ultron@1.0.x:
   version "1.0.2"