diff --git a/binaryen/yarn.lock b/binaryen/yarn.lock
index c432cc3..8a68f64 100644
--- a/binaryen/yarn.lock
+++ b/binaryen/yarn.lock
@@ -532,7 +532,7 @@ async-each@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/async-each/-/async-each-1.0.1.tgz#19d386a1d9edc6e7c1c85d388aedbcc56d33602d"
 
-async@1.x, async@^1.4.0, async@^1.4.2:
+async@1.x, async@^1.4.2:
   version "1.5.2"
   resolved "https://registry.yarnpkg.com/async/-/async-1.5.2.tgz#ec6a61ae56480c0c3cb241c95618e20892f9672a"
 
@@ -1765,6 +1765,10 @@ commander@~2.13.0:
   version "2.13.0"
   resolved "https://registry.yarnpkg.com/commander/-/commander-2.13.0.tgz#6964bca67685df7c1f1430c584f07d7597885b9c"
 
+commander@~2.20.3:
+  version "2.20.3"
+  resolved "https://registry.yarnpkg.com/commander/-/commander-2.20.3.tgz#fd485e84c03eb4881c20722ba48035e8531aeb33"
+
 commander@~2.6.0:
   version "2.6.0"
   resolved "https://registry.yarnpkg.com/commander/-/commander-2.6.0.tgz#9df7e52fb2a0cb0fb89058ee80c3104225f37e1d"
@@ -3627,14 +3631,15 @@ graphql@^0.9.3:
     iterall "^1.0.0"
 
 handlebars@^4.0.1:
-  version "4.0.11"
-  resolved "https://registry.yarnpkg.com/handlebars/-/handlebars-4.0.11.tgz#630a35dfe0294bc281edae6ffc5d329fc7982dcc"
+  version "4.7.6"
+  resolved "https://registry.yarnpkg.com/handlebars/-/handlebars-4.7.6.tgz#d4c05c1baf90e9945f77aa68a7a219aa4a7df74e"
   dependencies:
-    async "^1.4.0"
-    optimist "^0.6.1"
-    source-map "^0.4.4"
+    minimist "^1.2.5"
+    neo-async "^2.6.0"
+    source-map "^0.6.1"
+    wordwrap "^1.0.0"
   optionalDependencies:
-    uglify-js "^2.6"
+    uglify-js "^3.1.4"
 
 har-schema@^1.0.5:
   version "1.0.5"
@@ -4818,13 +4823,9 @@ minimist@1.1.x:
   version "1.1.3"
   resolved "https://registry.yarnpkg.com/minimist/-/minimist-1.1.3.tgz#3bedfd91a92d39016fcfaa1c681e8faa1a1efda8"
 
-minimist@^1.1.0, 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@~0.0.1:
-  version "0.0.10"
-  resolved "https://registry.yarnpkg.com/minimist/-/minimist-0.0.10.tgz#de3f98543dbf96082be48ad1a0c7cda836301dcf"
+minimist@^1.1.0, 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 "2.3.4"
@@ -4968,9 +4969,9 @@ needle@^2.2.1:
     iconv-lite "^0.4.4"
     sax "^1.2.4"
 
-neo-async@^2.5.0:
-  version "2.5.2"
-  resolved "https://registry.yarnpkg.com/neo-async/-/neo-async-2.5.2.tgz#489105ce7bc54e709d736b195f82135048c50fcc"
+neo-async@^2.5.0, neo-async@^2.6.0:
+  version "2.6.1"
+  resolved "https://registry.yarnpkg.com/neo-async/-/neo-async-2.6.1.tgz#ac27ada66167fa8849a6addd837f6b189ad2081c"
 
 nested-error-stacks@^1.0.1:
   version "1.0.2"
@@ -5254,13 +5255,6 @@ opn@^5.0.0:
   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"
-
 optimist@~0.3.5:
   version "0.3.7"
   resolved "https://registry.yarnpkg.com/optimist/-/optimist-0.3.7.tgz#c90941ad59e4273328923074d2cf2e7cbc6ec0d9"
@@ -6575,7 +6569,7 @@ source-map@0.1.x, source-map@~0.1.7:
   dependencies:
     amdefine ">=0.0.4"
 
-source-map@0.4.x, source-map@^0.4.4:
+source-map@0.4.x:
   version "0.4.4"
   resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.4.4.tgz#eba4f5da9c0dc999de68032d8b4f76173652036b"
   dependencies:
@@ -7129,7 +7123,7 @@ uglify-es@^3.3.4:
     commander "~2.13.0"
     source-map "~0.6.1"
 
-uglify-js@^2.4.19, uglify-js@^2.6:
+uglify-js@^2.4.19:
   version "2.8.29"
   resolved "https://registry.yarnpkg.com/uglify-js/-/uglify-js-2.8.29.tgz#29c5733148057bb4e1f75df35b7a9cb72e6a59dd"
   dependencies:
@@ -7138,6 +7132,12 @@ uglify-js@^2.4.19, uglify-js@^2.6:
   optionalDependencies:
     uglify-to-browserify "~1.0.0"
 
+uglify-js@^3.1.4:
+  version "3.9.1"
+  resolved "https://registry.yarnpkg.com/uglify-js/-/uglify-js-3.9.1.tgz#a56a71c8caa2d36b5556cc1fd57df01ae3491539"
+  dependencies:
+    commander "~2.20.3"
+
 uglify-js@~2.2.5:
   version "2.2.5"
   resolved "https://registry.yarnpkg.com/uglify-js/-/uglify-js-2.2.5.tgz#a6e02a70d839792b9780488b7b8b184c095c99c7"