diff --git a/build/package.json b/build/package.json
index 5ded05cced124932b5baff97723731104b524b7f..dd6520ebaf4f0c490395d7f4b6bf462d5a8a075b 100644
--- a/build/package.json
+++ b/build/package.json
@@ -34,6 +34,7 @@
     "ansi-colors": "^3.2.3",
     "applicationinsights": "1.0.8",
     "azure-storage": "^2.1.0",
+    "debounce": "^1.0.0",
     "electron-osx-sign": "^0.4.16",
     "esbuild": "^0.8.30",
     "event-stream": "3.3.4",
@@ -41,11 +42,14 @@
     "gulp-buffer": "0.0.2",
     "gulp-filter": "^5.1.0",
     "gulp-json-editor": "^2.5.0",
+    "gulp-rename": "^1.2.0",
     "iconv-lite-umd": "0.6.8",
     "jsonc-parser": "^2.3.0",
     "mime": "^1.4.1",
+    "rimraf": "^2.2.8",
     "source-map": "0.6.1",
     "typescript": "4.2.0-dev.20201207",
+    "underscore": "^1.8.2",
     "vinyl": "^2.0.0",
     "vinyl-fs": "^3.0.0",
     "vsce": "1.48.0",
diff --git a/build/yarn.lock b/build/yarn.lock
index 4dca06f09a083708be2b1a495f368f24d0dd8f1b..d68ecbbced9ed0c602c0844154d0b9f186493610 100644
--- a/build/yarn.lock
+++ b/build/yarn.lock
@@ -812,6 +812,11 @@ dashdash@^1.12.0:
   dependencies:
     assert-plus "^1.0.0"
 
+debounce@^1.0.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/debounce/-/debounce-1.2.0.tgz#44a540abc0ea9943018dc0eaa95cce87f65cd131"
+  integrity sha512-mYtLl1xfZLi1m4RtQYlZgJUNQjl4ZxVnHzIR8nLLgi4q1YT8o/WM+MK/f8yfcc9s5Ir5zRaPZyZU6xs1Syoocg==
+
 debug@^2.6.8:
   version "2.6.9"
   resolved "https://registry.yarnpkg.com/debug/-/debug-2.6.9.tgz#5d128515df134ff327e90a4c93f4e077a536341f"
@@ -1240,6 +1245,11 @@ gulp-json-editor@^2.5.0:
     plugin-error "^1.0.1"
     through2 "^3.0.1"
 
+gulp-rename@^1.2.0:
+  version "1.4.0"
+  resolved "https://registry.yarnpkg.com/gulp-rename/-/gulp-rename-1.4.0.tgz#de1c718e7c4095ae861f7296ef4f3248648240bd"
+  integrity sha512-swzbIGb/arEoFK89tPY58vg3Ok1bw+d35PfUNwWqdo7KM4jkmuGA78JiDNqR+JeZFaeeHnRg9N7aihX3YPmsyg==
+
 har-schema@^1.0.5:
   version "1.0.5"
   resolved "https://registry.yarnpkg.com/har-schema/-/har-schema-1.0.5.tgz#d263135f43307c02c602afc8fe95970c0151369e"
@@ -2042,6 +2052,13 @@ resolve-options@^1.1.0:
   dependencies:
     value-or-function "^3.0.0"
 
+rimraf@^2.2.8:
+  version "2.7.1"
+  resolved "https://registry.yarnpkg.com/rimraf/-/rimraf-2.7.1.tgz#35797f13a7fdadc566142c29d4f07ccad483e3ec"
+  integrity sha512-uWjbaKIK3T1OSVptzX7Nl6PvQ3qAGtKEtVRjRuazjfL3Bx5eI409VZSqgND+4UNnmzLVdPj9FqFJNPqBZFve4w==
+  dependencies:
+    glob "^7.1.3"
+
 safe-buffer@^5.0.1:
   version "5.1.1"
   resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.1.1.tgz#893312af69b2123def71f57889001671eeb2c853"
@@ -2319,6 +2336,11 @@ underscore@1.8.3, underscore@~1.8.3:
   resolved "https://registry.yarnpkg.com/underscore/-/underscore-1.8.3.tgz#4f3fb53b106e6097fcf9cb4109f2a5e9bdfa5022"
   integrity sha1-Tz+1OxBuYJf8+ctBCfKl6b36UCI=
 
+underscore@^1.8.2:
+  version "1.12.0"
+  resolved "https://registry.yarnpkg.com/underscore/-/underscore-1.12.0.tgz#4814940551fc80587cef7840d1ebb0f16453be97"
+  integrity sha512-21rQzss/XPMjolTiIezSu3JAjgagXKROtNrYFEOWK109qY1Uv2tVjPTZ1ci2HgvQDA16gHYSthQIJfB+XId/rQ==
+
 underscore@^1.8.3:
   version "1.9.1"
   resolved "https://registry.yarnpkg.com/underscore/-/underscore-1.9.1.tgz#06dce34a0e68a7babc29b365b8e74b8925203961"