diff --git a/yarn.lock b/yarn.lock
index d7625e9..c00ddba 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -940,8 +940,8 @@ chokidar@^2.0.2:
     fsevents "^1.2.2"
 
 chownr@^1.0.1:
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/chownr/-/chownr-1.0.1.tgz#e2a75042a9551908bebd25b8523d5f9769d79181"
+  version "1.1.4"
+  resolved "https://registry.yarnpkg.com/chownr/-/chownr-1.1.4.tgz#6fc9d7b42d32a583596337666e7d08084da2cc6b"
 
 chrome-trace-event@^1.0.0:
   version "1.0.0"
@@ -2057,10 +2057,6 @@ mocha@^5.2.0:
     mkdirp "0.5.1"
     supports-color "5.4.0"
 
-monaco-editor@^0.13.1:
-  version "0.13.1"
-  resolved "https://registry.yarnpkg.com/monaco-editor/-/monaco-editor-0.13.1.tgz#6b9ce20e4d1c945042d256825eb133cb23315a52"
-
 move-concurrently@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/move-concurrently/-/move-concurrently-1.0.1.tgz#be2c005fda32e0b29af1f05d7c4b33214c701f92"
@@ -3129,10 +3125,6 @@ xtend@^4.0.0, xtend@~4.0.1:
   version "4.0.1"
   resolved "https://registry.yarnpkg.com/xtend/-/xtend-4.0.1.tgz#a5c6d532be656e23db820efb943a1f04998d63af"
 
-xterm@^3.4.1:
-  version "3.5.0"
-  resolved "https://registry.yarnpkg.com/xterm/-/xterm-3.5.0.tgz#ba3f464bc5730c9d259ebe62131862224db9ddcc"
-
 y18n@^3.2.1:
   version "3.2.1"
   resolved "https://registry.yarnpkg.com/y18n/-/y18n-3.2.1.tgz#6d15fba884c08679c0d77e88e7759e811e07fa41"