diff --git a/yarn.lock b/yarn.lock
index 3b74cd7..87e4255 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1263,7 +1263,7 @@ combined-stream@^1.0.8:
   dependencies:
     delayed-stream "~1.0.0"
 
-commander@^2.11.0, commander@^2.8.1, commander@~2.20.0:
+commander@^2.11.0, commander@^2.8.1:
   version "2.20.0"
   resolved "https://registry.npmjs.org/commander/-/commander-2.20.0.tgz"
 
@@ -2088,12 +2088,14 @@ growly@^1.3.0:
   resolved "https://registry.npmjs.org/growly/-/growly-1.3.0.tgz"
 
 handlebars@^4.1.2:
-  version "4.1.2"
-  resolved "https://registry.npmjs.org/handlebars/-/handlebars-4.1.2.tgz"
+  version "4.7.7"
+  resolved "https://registry.yarnpkg.com/handlebars/-/handlebars-4.7.7.tgz#9ce33416aad02dbd6c8fafa8240d5d98004945a1"
+  integrity sha512-aAcXm5OAfE/8IXkcZvCepKU3VzW1/39Fb5ZuqMtgI/hT8X2YgoMvBY5dLhq/cpOvw7Lk1nK/UF71aLG/ZnVYRA==
   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"
 
@@ -3141,13 +3143,10 @@ minimist@0.0.8:
   version "0.0.8"
   resolved "https://registry.npmjs.org/minimist/-/minimist-0.0.8.tgz"
 
-minimist@^1.1.1, minimist@^1.2.0:
-  version "1.2.0"
-  resolved "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz"
-
-minimist@~0.0.1:
-  version "0.0.10"
-  resolved "https://registry.npmjs.org/minimist/-/minimist-0.0.10.tgz"
+minimist@^1.1.1, minimist@^1.2.0, minimist@^1.2.5:
+  version "1.2.5"
+  resolved "https://registry.yarnpkg.com/minimist/-/minimist-1.2.5.tgz#67d66014b66a6a8aaa0c083c5fd58df4e4e97602"
+  integrity sha512-FM9nNUYrRBAELZQT3xeZQ7fmMOBg6nWNmJKTcgsJeaLstP/UODVpGsr5OhXhhXg6f+qtJ8uiZ+PUxkDWcgIXLw==
 
 minipass@^2.2.1, minipass@^2.3.4:
   version "2.3.5"
@@ -3225,8 +3224,9 @@ negotiator@0.6.2:
   resolved "https://registry.npmjs.org/negotiator/-/negotiator-0.6.2.tgz"
 
 neo-async@^2.6.0:
-  version "2.6.0"
-  resolved "https://registry.npmjs.org/neo-async/-/neo-async-2.6.0.tgz"
+  version "2.6.2"
+  resolved "https://registry.yarnpkg.com/neo-async/-/neo-async-2.6.2.tgz#b4aafb93e3aeb2d8174ca53cf163ab7d7308305f"
+  integrity sha512-Yd3UES5mWCSqR+qNT93S3UoYUkqAZ9lLg8a7g9rimsWmYGK8cVToA4/sF3RrshdyV3sAGMXVUmpMYOw+dLpOuw==
 
 nice-try@^1.0.4:
   version "1.0.5"
@@ -3425,13 +3425,6 @@ onetime@^2.0.0:
   dependencies:
     mimic-fn "^1.0.0"
 
-optimist@^0.6.1:
-  version "0.6.1"
-  resolved "https://registry.npmjs.org/optimist/-/optimist-0.6.1.tgz"
-  dependencies:
-    minimist "~0.0.1"
-    wordwrap "~0.0.2"
-
 optionator@^0.8.1, optionator@^0.8.2:
   version "0.8.2"
   resolved "https://registry.npmjs.org/optionator/-/optionator-0.8.2.tgz"
@@ -4459,11 +4452,9 @@ type-is@~1.6.17, type-is@~1.6.18:
     mime-types "~2.1.24"
 
 uglify-js@^3.1.4:
-  version "3.5.11"
-  resolved "https://registry.npmjs.org/uglify-js/-/uglify-js-3.5.11.tgz"
-  dependencies:
-    commander "~2.20.0"
-    source-map "~0.6.1"
+  version "3.14.2"
+  resolved "https://registry.yarnpkg.com/uglify-js/-/uglify-js-3.14.2.tgz#d7dd6a46ca57214f54a2d0a43cad0f35db82ac99"
+  integrity sha512-rtPMlmcO4agTUfz10CbgJ1k6UAoXM2gWb3GoMPPZB/+/Ackf8lNWk11K4rYi2D0apgoFRLtQOZhb+/iGNJq26A==
 
 unicode-canonical-property-names-ecmascript@^1.0.4:
   version "1.0.4"
@@ -4622,11 +4613,7 @@ wide-align@^1.1.0:
   dependencies:
     string-width "^1.0.2 || 2"
 
-wordwrap@~0.0.2:
-  version "0.0.3"
-  resolved "https://registry.npmjs.org/wordwrap/-/wordwrap-0.0.3.tgz"
-
-wordwrap@~1.0.0:
+wordwrap@^1.0.0, wordwrap@~1.0.0:
   version "1.0.0"
   resolved "https://registry.npmjs.org/wordwrap/-/wordwrap-1.0.0.tgz"