diff --git a/yarn.lock b/yarn.lock
index ab90c92..9fc952c 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -8895,9 +8895,11 @@ node-fetch-npm@^2.0.2:
     safe-buffer "^5.1.1"
 
 node-fetch@^2.3.0, node-fetch@^2.5.0:
-  version "2.6.0"
-  resolved "https://registry.yarnpkg.com/node-fetch/-/node-fetch-2.6.0.tgz#e633456386d4aa55863f676a7ab0daa8fdecb0fd"
-  integrity sha512-8dG4H5ujfvFiqDmVu9fQ5bOHUC15JMjMY/Zumv26oOvvVJjM67KF8koCWIabKQ1GJIa9r2mMZscBq/TbdOcmNA==
+  version "2.6.7"
+  resolved "https://registry.yarnpkg.com/node-fetch/-/node-fetch-2.6.7.tgz#24de9fba827e3b4ae44dc8b20256a379160052ad"
+  integrity sha512-ZjMPFEfVx5j+y2yF35Kzx5sF7kDzxuDj6ziH4FFbOp87zKDZNx8yExJIb05OGF4Nlt9IHFIMBkRl41VdvcNdbQ==
+  dependencies:
+    whatwg-url "^5.0.0"
 
 node-gyp@^3.6.0:
   version "3.8.0"
@@ -12095,6 +12097,11 @@ tr46@^1.0.1:
   dependencies:
     punycode "^2.1.0"
 
+tr46@~0.0.3:
+  version "0.0.3"
+  resolved "https://registry.yarnpkg.com/tr46/-/tr46-0.0.3.tgz#8184fd347dac9cdc185992f3a6622e14b9d9ab6a"
+  integrity sha512-N3WMsuqV66lT30CrXNbEjx4GEwlow3v6rr4mCcv6prnfwhS01rkgyFdjPNBYd9br7LpXV1+Emh01fHnq2Gdgrw==
+
 trash@^4.0.1:
   version "4.3.0"
   resolved "https://registry.yarnpkg.com/trash/-/trash-4.3.0.tgz#6ebeecdea4d666b06e389b47d135ea88e1de5075"
@@ -12680,6 +12687,11 @@ wcwidth@^1.0.0, wcwidth@^1.0.1:
   dependencies:
     defaults "^1.0.3"
 
+webidl-conversions@^3.0.0:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/webidl-conversions/-/webidl-conversions-3.0.1.tgz#24534275e2a7bc6be7bc86611cc16ae0a5654871"
+  integrity sha512-2JAn3z8AR6rjK8Sm8orRC0h/bcl/DqL7tRPdGZ4I1CjdF+EaMLmYxBHyXuKL849eucPFhvBoxMsflfOb8kxaeQ==
+
 webidl-conversions@^4.0.2:
   version "4.0.2"
   resolved "https://registry.yarnpkg.com/webidl-conversions/-/webidl-conversions-4.0.2.tgz#a855980b1f0b6b359ba1d5d9fb39ae941faa63ad"
@@ -12760,6 +12772,14 @@ webpack@^4.0.0:
     watchpack "^1.6.0"
     webpack-sources "^1.4.1"
 
+whatwg-url@^5.0.0:
+  version "5.0.0"
+  resolved "https://registry.yarnpkg.com/whatwg-url/-/whatwg-url-5.0.0.tgz#966454e8765462e37644d3626f6742ce8b70965d"
+  integrity sha512-saE57nupxk6v3HY35+jzBwYa0rKSy0XR8JSxZPwgLr7ys0IBzhGviA1/TUGJLmSVqs8pb9AnvICXEuOHLprYTw==
+  dependencies:
+    tr46 "~0.0.3"
+    webidl-conversions "^3.0.0"
+
 whatwg-url@^7.0.0:
   version "7.1.0"
   resolved "https://registry.yarnpkg.com/whatwg-url/-/whatwg-url-7.1.0.tgz#c2c492f1eca612988efd3d2266be1b9fc6170d06"
@@ -12986,6 +13006,13 @@ yallist@^3.0.0, yallist@^3.0.2, yallist@^3.0.3:
   resolved "https://registry.yarnpkg.com/yallist/-/yallist-3.1.1.tgz#dbb7daf9bfd8bac9ab45ebf602b8cbad0d5d08fd"
   integrity sha512-a4UGQaWPH59mOXUYnAG2ewncQS4i4F43Tv3JoAM+s2VDAmS9NsK8GpDMLrCHPksFT7h3K6TOoUNn2pb7RoXx4g==
 
+yang-sprotty@0.2.1:
+  version "0.2.1"
+  resolved "https://registry.yarnpkg.com/yang-sprotty/-/yang-sprotty-0.2.1.tgz#cceea399f833c6b2ef46c6682d7d9f9097f643e5"
+  integrity sha512-rthtiq75bFTfG0JPlrFew519GDZdm94XJ5EnXjObf+270vcPt6XFB/fFxX4UBVoBdvLlcy1V9W/fRCzKpY1g5A==
+  dependencies:
+    sprotty "^0.8.0"
+
 yargs-parser@13.1.2, yargs-parser@^13.1.2:
   version "13.1.2"
   resolved "https://registry.yarnpkg.com/yargs-parser/-/yargs-parser-13.1.2.tgz#130f09702ebaeef2650d54ce6e3e5706f7a4fb38"