diff --git a/yarn.lock b/yarn.lock
index 5c86b11..71c3a5d 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2608,7 +2608,7 @@ combined-stream@^1.0.6, combined-stream@~1.0.6:
   dependencies:
     delayed-stream "~1.0.0"
 
-commander@2.17.x, commander@~2.17.1:
+commander@2.17.x:
   version "2.17.1"
   resolved "https://registry.yarnpkg.com/commander/-/commander-2.17.1.tgz#bd77ab7de6de94205ceacc72f1716d29f20a77bf"
 
@@ -2620,6 +2620,10 @@ commander@^2.20.0:
   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"
+
 common-tags@^1.8.0:
   version "1.8.0"
   resolved "https://registry.yarnpkg.com/common-tags/-/common-tags-1.8.0.tgz#8e3153e542d4a39e9b10554434afaaf98956a937"
@@ -4371,12 +4375,13 @@ handle-thing@^2.0.0:
   resolved "https://registry.yarnpkg.com/handle-thing/-/handle-thing-2.0.0.tgz#0e039695ff50c93fc288557d696f3c1dc6776754"
 
 handlebars@^4.1.2:
-  version "4.1.2"
-  resolved "https://registry.yarnpkg.com/handlebars/-/handlebars-4.1.2.tgz#b6b37c1ced0306b221e094fc7aca3ec23b131b67"
+  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"
 
@@ -6233,13 +6238,13 @@ minimatch@3.0.4, minimatch@^3.0.2, minimatch@^3.0.4, minimatch@~3.0.2:
   dependencies:
     brace-expansion "^1.1.7"
 
-minimist@0.0.8, minimist@~0.0.1:
+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"
 
 minipass@^2.2.1, minipass@^2.3.3:
   version "2.3.3"
@@ -6363,11 +6368,7 @@ negotiator@0.6.1:
   version "0.6.1"
   resolved "https://registry.yarnpkg.com/negotiator/-/negotiator-0.6.1.tgz#2b327184e8992101177b28563fb5e7102acd0ca9"
 
-neo-async@^2.5.0:
-  version "2.5.1"
-  resolved "https://registry.yarnpkg.com/neo-async/-/neo-async-2.5.1.tgz#acb909e327b1e87ec9ef15f41b8a269512ad41ee"
-
-neo-async@^2.6.0, neo-async@^2.6.1:
+neo-async@^2.5.0, neo-async@^2.6.0, neo-async@^2.6.1:
   version "2.6.1"
   resolved "https://registry.yarnpkg.com/neo-async/-/neo-async-2.6.1.tgz#ac27ada66167fa8849a6addd837f6b189ad2081c"
 
@@ -6756,13 +6757,6 @@ opn@^5.1.0:
   dependencies:
     is-wsl "^1.1.0"
 
-optimist@^0.6.1:
-  version "0.6.1"
-  resolved "https://registry.yarnpkg.com/optimist/-/optimist-0.6.1.tgz#da3ea74686fa21a19a111c326e90eb15a0196686"
-  dependencies:
-    minimist "~0.0.1"
-    wordwrap "~0.0.2"
-
 optimize-css-assets-webpack-plugin@5.0.3:
   version "5.0.3"
   resolved "https://registry.yarnpkg.com/optimize-css-assets-webpack-plugin/-/optimize-css-assets-webpack-plugin-5.0.3.tgz#e2f1d4d94ad8c0af8967ebd7cf138dcb1ef14572"
@@ -9473,10 +9467,10 @@ uglify-js@3.4.x:
     source-map "~0.6.1"
 
 uglify-js@^3.1.4:
-  version "3.4.9"
-  resolved "https://registry.yarnpkg.com/uglify-js/-/uglify-js-3.4.9.tgz#af02f180c1207d76432e473ed24a28f4a782bae3"
+  version "3.8.1"
+  resolved "https://registry.yarnpkg.com/uglify-js/-/uglify-js-3.8.1.tgz#43bb15ce6f545eaa0a64c49fd29375ea09fa0f93"
   dependencies:
-    commander "~2.17.1"
+    commander "~2.20.3"
     source-map "~0.6.1"
 
 unicode-canonical-property-names-ecmascript@^1.0.4:
@@ -9872,11 +9866,7 @@ wide-align@^1.1.0:
   dependencies:
     string-width "^1.0.2 || 2"
 
-wordwrap@~0.0.2:
-  version "0.0.2"
-  resolved "https://registry.yarnpkg.com/wordwrap/-/wordwrap-0.0.2.tgz#b79669bb42ecb409f83d583cad52ca17eaa1643f"
-
-wordwrap@~1.0.0:
+wordwrap@^1.0.0, wordwrap@~1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/wordwrap/-/wordwrap-1.0.0.tgz#27584810891456a4171c8d0226441ade90cbcaeb"