diff --git a/yarn.lock b/yarn.lock
index d2d1f503..9363c243 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -390,7 +390,7 @@ async@0.9.0:
   version "0.9.0"
   resolved "https://registry.yarnpkg.com/async/-/async-0.9.0.tgz#ac3613b1da9bed1b47510bb4651b8931e47146c7"
 
-async@1.x, async@^1.4.0:
+async@1.x:
   version "1.5.2"
   resolved "https://registry.yarnpkg.com/async/-/async-1.5.2.tgz#ec6a61ae56480c0c3cb241c95618e20892f9672a"
 
@@ -401,13 +401,7 @@ async@2.6.1:
   dependencies:
     lodash "^4.17.10"
 
-async@^2.0.0, async@^2.1.2, async@^2.1.4:
-  version "2.5.0"
-  resolved "https://registry.yarnpkg.com/async/-/async-2.5.0.tgz#843190fd6b7357a0b9e1c956edddd5ec8462b54d"
-  dependencies:
-    lodash "^4.14.0"
-
-async@^2.5.0, async@^2.6.2:
+async@^2.0.0, async@^2.1.2, async@^2.1.4, async@^2.6.2:
   version "2.6.2"
   resolved "https://registry.yarnpkg.com/async/-/async-2.6.2.tgz#18330ea7e6e313887f5d2f2a904bac6fe4dd5381"
   dependencies:
@@ -3065,7 +3059,7 @@ event-emitter@~0.3.5:
 
 event-stream@~3.3.0:
   version "3.3.4"
-  resolved "http://registry.npmjs.org/event-stream/-/event-stream-3.3.4.tgz#4ab4c9a0f5a54db9338b4c34d86bfce8f4b35571"
+  resolved "https://registry.npmjs.org/event-stream/-/event-stream-3.3.4.tgz#4ab4c9a0f5a54db9338b4c34d86bfce8f4b35571"
   dependencies:
     duplexer "~0.1.1"
     from "~0"
@@ -3864,21 +3858,12 @@ gzip-size@^3.0.0:
   dependencies:
     duplexer "^0.1.1"
 
-handlebars@^4.0.1:
-  version "4.0.10"
-  resolved "https://registry.yarnpkg.com/handlebars/-/handlebars-4.0.10.tgz#3d30c718b09a3d96f23ea4cc1f403c4d3ba9ff4f"
-  dependencies:
-    async "^1.4.0"
-    optimist "^0.6.1"
-    source-map "^0.4.4"
-  optionalDependencies:
-    uglify-js "^2.6"
-
-handlebars@^4.1.0:
-  version "4.1.0"
-  resolved "https://registry.yarnpkg.com/handlebars/-/handlebars-4.1.0.tgz#0d6a6f34ff1f63cecec8423aa4169827bf787c3a"
+handlebars@^4.0.1, handlebars@^4.1.0:
+  version "4.1.2"
+  resolved "https://registry.yarnpkg.com/handlebars/-/handlebars-4.1.2.tgz#b6b37c1ced0306b221e094fc7aca3ec23b131b67"
+  integrity sha512-nvfrjqvt9xQ8Z/w0ijewdD/vvWDTOweBUm96NTr66Wfvo1mJenBLwcYmPs3TIBP5ruzYGD7Hx/DaM9RmhroGPw==
   dependencies:
-    async "^2.5.0"
+    neo-async "^2.6.0"
     optimist "^0.6.1"
     source-map "^0.6.1"
   optionalDependencies:
@@ -5287,7 +5272,7 @@ lodash.uniq@^4.5.0:
   version "4.5.0"
   resolved "https://registry.yarnpkg.com/lodash.uniq/-/lodash.uniq-4.5.0.tgz#d0225373aeb652adc1bc82e4945339a842754773"
 
-lodash@4, lodash@^4.0.0, lodash@^4.0.1, lodash@^4.11.2, lodash@^4.14.0, lodash@^4.17.2, lodash@^4.17.3, lodash@^4.17.4, lodash@^4.3.0, lodash@^4.5.1, lodash@^4.8.0, lodash@~4.17.4:
+lodash@4, lodash@^4.0.0, lodash@^4.0.1, lodash@^4.11.2, lodash@^4.17.2, lodash@^4.17.3, lodash@^4.17.4, lodash@^4.3.0, lodash@^4.5.1, lodash@^4.8.0, lodash@~4.17.4:
   version "4.17.4"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.4.tgz#78203a4d1c328ae1d86dca6460e369b57f4055ae"
 
@@ -5785,6 +5770,11 @@ negotiator@0.6.2:
   resolved "https://registry.yarnpkg.com/negotiator/-/negotiator-0.6.2.tgz#feacf7ccf525a77ae9634436a64883ffeca346fb"
   integrity sha512-hZXc7K2e+PgeI1eDBe/10Ard4ekbfrrqG8Ep+8Jmf4JID2bNg7NvCPOZN+kfF574pFQI7mum2AUqDidoKqcTOw==
 
+neo-async@^2.6.0:
+  version "2.6.1"
+  resolved "https://registry.yarnpkg.com/neo-async/-/neo-async-2.6.1.tgz#ac27ada66167fa8849a6addd837f6b189ad2081c"
+  integrity sha512-iyam8fBuCUpWeKPGpaNMetEocMt364qkCsfL9JuhjXX6dRnguRVOfk2GZaDpPjcOKiiXCPINZC1GczQ7iTq3Zw==
+
 nice-try@^1.0.4:
   version "1.0.4"
   resolved "https://registry.yarnpkg.com/nice-try/-/nice-try-1.0.4.tgz#d93962f6c52f2c1558c0fbda6d512819f1efe1c4"
@@ -7740,12 +7730,6 @@ source-map@^0.1.38, source-map@^0.1.41:
   dependencies:
     amdefine ">=0.0.4"
 
-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@^0.6.1, source-map@~0.6.1:
   version "0.6.1"
   resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.6.1.tgz#74722af32e9614e9c287a8d0bbde48b5e2f1a263"
@@ -8346,7 +8330,7 @@ uglify-js@3.1.x:
     commander "~2.11.0"
     source-map "~0.5.1"
 
-uglify-js@^2.6, uglify-js@^2.8.27:
+uglify-js@^2.8.27:
   version "2.8.29"
   resolved "https://registry.yarnpkg.com/uglify-js/-/uglify-js-2.8.29.tgz#29c5733148057bb4e1f75df35b7a9cb72e6a59dd"
   dependencies: