diff --git a/yarn.lock b/yarn.lock
index 809c42d..be894e6 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -179,10 +179,6 @@ assert-plus@^0.2.0:
   version "0.2.0"
   resolved "https://registry.yarnpkg.com/assert-plus/-/assert-plus-0.2.0.tgz#d74e1b87e7affc0db8aadb7021f3fe48101ab234"
 
-async@^1.4.0:
-  version "1.5.2"
-  resolved "https://registry.yarnpkg.com/async/-/async-1.5.2.tgz#ec6a61ae56480c0c3cb241c95618e20892f9672a"
-
 async@^2.1.4, async@^2.4.0:
   version "2.5.0"
   resolved "https://registry.yarnpkg.com/async/-/async-2.5.0.tgz#843190fd6b7357a0b9e1c956edddd5ec8462b54d"
@@ -858,6 +854,10 @@ base64-js@1.1.2:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/base64-js/-/base64-js-1.1.2.tgz#d6400cac1c4c660976d90d07a04351d89395f5e8"
 
+base64-js@^1.0.2:
+  version "1.3.1"
+  resolved "https://registry.yarnpkg.com/base64-js/-/base64-js-1.3.1.tgz#58ece8cb75dd07e71ed08c736abc5fac4dbf8df1"
+
 base64-js@^1.1.2:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/base64-js/-/base64-js-1.2.1.tgz#a91947da1f4a516ea38e5b4ec0ec3773675e0886"
@@ -982,6 +982,13 @@ buffer-equal-constant-time@1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/buffer-equal-constant-time/-/buffer-equal-constant-time-1.0.1.tgz#f8e71132f7ffe6e01a5c9697a4c6f3e48d5cc819"
 
+buffer@^5.0.7:
+  version "5.4.3"
+  resolved "https://registry.yarnpkg.com/buffer/-/buffer-5.4.3.tgz#3fbc9c69eb713d323e3fc1a895eee0710c072115"
+  dependencies:
+    base64-js "^1.0.2"
+    ieee754 "^1.1.4"
+
 builtin-modules@^1.0.0:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/builtin-modules/-/builtin-modules-1.1.1.tgz#270f076c5a72c02f5b65a47df94c5fe3a278892f"
@@ -1133,6 +1140,10 @@ commander@^2.9.0:
   version "2.11.0"
   resolved "https://registry.yarnpkg.com/commander/-/commander-2.11.0.tgz#157152fd1e7a6c8d98a5b715cf376df928004563"
 
+commander@~2.20.3:
+  version "2.20.3"
+  resolved "https://registry.yarnpkg.com/commander/-/commander-2.20.3.tgz#fd485e84c03eb4881c20722ba48035e8531aeb33"
+
 compressible@~2.0.5:
   version "2.0.11"
   resolved "https://registry.yarnpkg.com/compressible/-/compressible-2.0.11.tgz#16718a75de283ed8e604041625a2064586797d8a"
@@ -1889,14 +1900,14 @@ gulplog@^1.0.0:
     glogg "^1.0.0"
 
 handlebars@^4.0.3:
-  version "4.0.10"
-  resolved "https://registry.yarnpkg.com/handlebars/-/handlebars-4.0.10.tgz#3d30c718b09a3d96f23ea4cc1f403c4d3ba9ff4f"
+  version "4.5.3"
+  resolved "https://registry.yarnpkg.com/handlebars/-/handlebars-4.5.3.tgz#5cf75bd8714f7605713511a56be7c349becb0482"
   dependencies:
-    async "^1.4.0"
+    neo-async "^2.6.0"
     optimist "^0.6.1"
-    source-map "^0.4.4"
+    source-map "^0.6.1"
   optionalDependencies:
-    uglify-js "^2.6"
+    uglify-js "^3.1.4"
 
 har-schema@^1.0.5:
   version "1.0.5"
@@ -1998,6 +2009,10 @@ iconv-lite@^0.4.17, iconv-lite@~0.4.13:
   version "0.4.18"
   resolved "https://registry.yarnpkg.com/iconv-lite/-/iconv-lite-0.4.18.tgz#23d8656b16aae6742ac29732ea8f0336a4789cf2"
 
+ieee754@^1.1.4:
+  version "1.1.13"
+  resolved "https://registry.yarnpkg.com/ieee754/-/ieee754-1.1.13.tgz#ec168558e95aa181fd87d37f55c32bbcb6708b84"
+
 image-size@^0.3.5:
   version "0.3.5"
   resolved "https://registry.yarnpkg.com/image-size/-/image-size-0.3.5.tgz#83240eab2fb5b00b04aab8c74b0471e9cba7ad8c"
@@ -3045,6 +3060,10 @@ negotiator@0.6.1:
   version "0.6.1"
   resolved "https://registry.yarnpkg.com/negotiator/-/negotiator-0.6.1.tgz#2b327184e8992101177b28563fb5e7102acd0ca9"
 
+neo-async@^2.6.0:
+  version "2.6.1"
+  resolved "https://registry.yarnpkg.com/neo-async/-/neo-async-2.6.1.tgz#ac27ada66167fa8849a6addd837f6b189ad2081c"
+
 node-fetch@^1.0.1, node-fetch@^1.3.3:
   version "1.7.2"
   resolved "https://registry.yarnpkg.com/node-fetch/-/node-fetch-1.7.2.tgz#c54e9aac57e432875233525f3c891c4159ffefd7"
@@ -3434,6 +3453,10 @@ qs@~6.4.0:
   version "6.4.0"
   resolved "https://registry.yarnpkg.com/qs/-/qs-6.4.0.tgz#13e26d28ad6b0ffaa91312cd3bf708ed351e7233"
 
+querystring@^0.2.0:
+  version "0.2.0"
+  resolved "https://registry.yarnpkg.com/querystring/-/querystring-0.2.0.tgz#b209849203bb25df820da756e747005878521620"
+
 raf@^3.1.0:
   version "3.3.2"
   resolved "https://registry.yarnpkg.com/raf/-/raf-3.3.2.tgz#0c13be0b5b49b46f76d6669248d527cf2b02fe27"
@@ -4143,16 +4166,14 @@ source-map-support@^0.4.2:
   dependencies:
     source-map "^0.5.6"
 
-source-map@^0.4.4:
-  version "0.4.4"
-  resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.4.4.tgz#eba4f5da9c0dc999de68032d8b4f76173652036b"
-  dependencies:
-    amdefine ">=0.0.4"
-
 source-map@^0.5.0, source-map@^0.5.3, source-map@^0.5.6, source-map@~0.5.1:
   version "0.5.6"
   resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.5.6.tgz#75ce38f52bf0733c5a7f0c118d81334a2bb5f412"
 
+source-map@^0.6.1, source-map@~0.6.1:
+  version "0.6.1"
+  resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.6.1.tgz#74722af32e9614e9c287a8d0bbde48b5e2f1a263"
+
 source-map@~0.2.0:
   version "0.2.0"
   resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.2.0.tgz#dab73fbcfc2ba819b4de03bd6f6eaa48164b3f9d"
@@ -4445,14 +4466,12 @@ uglify-js@2.7.5:
     uglify-to-browserify "~1.0.0"
     yargs "~3.10.0"
 
-uglify-js@^2.6:
-  version "2.8.29"
-  resolved "https://registry.yarnpkg.com/uglify-js/-/uglify-js-2.8.29.tgz#29c5733148057bb4e1f75df35b7a9cb72e6a59dd"
+uglify-js@^3.1.4:
+  version "3.7.3"
+  resolved "https://registry.yarnpkg.com/uglify-js/-/uglify-js-3.7.3.tgz#f918fce9182f466d5140f24bb0ff35c2d32dcc6a"
   dependencies:
-    source-map "~0.5.1"
-    yargs "~3.10.0"
-  optionalDependencies:
-    uglify-to-browserify "~1.0.0"
+    commander "~2.20.3"
+    source-map "~0.6.1"
 
 uglify-to-browserify@~1.0.0:
   version "1.0.2"