diff --git a/package.json b/package.json
index 26c08b48..a3c9ebb8 100644
--- a/package.json
+++ b/package.json
@@ -9,24 +9,24 @@
     "@oclif/config": "^1",
     "cli-ux": "^4.4.0",
     "lodash": "^4.17.10",
-    "tslib": "^1"
+    "tslib": "^1.9.2"
   },
   "devDependencies": {
-    "@oclif/dev-cli": "^1",
-    "@oclif/plugin-help": "^2.0.0",
+    "@oclif/dev-cli": "^1.13.28",
+    "@oclif/plugin-help": "^2.0.3",
     "@oclif/test": "^1",
     "@oclif/tslint": "^1",
     "@types/chai": "^4",
     "@types/lodash": "^4.14.109",
     "@types/mocha": "^5",
-    "@types/node": "^10",
+    "@types/node": "^10.1.4",
     "chai": "^4",
     "globby": "^8",
     "mocha": "^5",
     "nyc": "^11",
     "ts-node": "^6",
     "tslint": "^5",
-    "typescript": "^2.8"
+    "typescript": "^2.8.4"
   },
   "engines": {
     "node": ">=8.0.0"
diff --git a/yarn.lock b/yarn.lock
index 5b9ddb21..37ca4db3 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -29,7 +29,7 @@
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/@nodelib/fs.stat/-/fs.stat-1.1.0.tgz#50c1e2260ac0ed9439a181de3725a0168d59c48a"
 
-"@oclif/command@^1", "@oclif/command@^1.4.29", "@oclif/command@^1.4.30":
+"@oclif/command@^1", "@oclif/command@^1.4.30":
   version "1.4.30"
   resolved "https://registry.yarnpkg.com/@oclif/command/-/command-1.4.30.tgz#631eb423182517dc38711d6270aecb621bfa24a9"
   dependencies:
@@ -38,20 +38,20 @@
     debug "^3.1.0"
     semver "^5.5.0"
 
-"@oclif/config@^1", "@oclif/config@^1.6.19":
+"@oclif/config@^1", "@oclif/config@^1.6.21":
   version "1.6.21"
   resolved "https://registry.yarnpkg.com/@oclif/config/-/config-1.6.21.tgz#44cb3136758562d5441885b63ef4791aeeae0c0f"
   dependencies:
     debug "^3.1.0"
 
-"@oclif/dev-cli@^1":
-  version "1.13.23"
-  resolved "https://registry.yarnpkg.com/@oclif/dev-cli/-/dev-cli-1.13.23.tgz#b53671258bcbec806a377fa3caa9131bdaffa383"
+"@oclif/dev-cli@^1.13.28":
+  version "1.13.28"
+  resolved "https://registry.yarnpkg.com/@oclif/dev-cli/-/dev-cli-1.13.28.tgz#b12e1a85632b7e25f8402ca58dbf84a3dd2f9d20"
   dependencies:
     "@oclif/command" "^1.4.30"
-    "@oclif/config" "^1.6.19"
+    "@oclif/config" "^1.6.21"
     "@oclif/errors" "^1.1.2"
-    "@oclif/plugin-help" "^1.2.11"
+    "@oclif/plugin-help" "^2.0.1"
     cli-ux "^4.4.0"
     debug "^3.1.0"
     fs-extra "^6.0.1"
@@ -59,7 +59,7 @@
     normalize-package-data "^2.4.0"
     qqjs "^0.3.9"
     require-resolve "^0.0.2"
-    tslib "^1.9.1"
+    tslib "^1.9.2"
 
 "@oclif/errors@^1.1.1", "@oclif/errors@^1.1.2":
   version "1.1.2"
@@ -82,23 +82,11 @@
     "@oclif/linewrap" "^1.0.0"
     chalk "^2.4.1"
 
-"@oclif/plugin-help@^1.2.11":
-  version "1.2.11"
-  resolved "https://registry.yarnpkg.com/@oclif/plugin-help/-/plugin-help-1.2.11.tgz#e6413a6009519230bc4c7e7fe45d8e139939e657"
-  dependencies:
-    "@oclif/command" "^1.4.29"
-    chalk "^2.4.1"
-    indent-string "^3.2.0"
-    lodash.template "^4.4.0"
-    string-width "^2.1.1"
-    widest-line "^2.0.0"
-    wrap-ansi "^3.0.1"
-
-"@oclif/plugin-help@^2.0.0":
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/@oclif/plugin-help/-/plugin-help-2.0.0.tgz#126f00af0b3274a5479ab70cb7619887049473c1"
+"@oclif/plugin-help@^2.0.1", "@oclif/plugin-help@^2.0.3":
+  version "2.0.3"
+  resolved "https://registry.yarnpkg.com/@oclif/plugin-help/-/plugin-help-2.0.3.tgz#f64bfc69ad28e34ec046f3da195e6da67298c9b7"
   dependencies:
-    "@oclif/command" "^1.4.29"
+    "@oclif/command" "^1.4.30"
     chalk "^2.4.1"
     indent-string "^3.2.0"
     lodash.template "^4.4.0"
@@ -134,9 +122,9 @@
   version "5.2.0"
   resolved "https://registry.yarnpkg.com/@types/mocha/-/mocha-5.2.0.tgz#b3c8e69f038835db1a7fdc0b3d879fc50506e29e"
 
-"@types/node@^10":
-  version "10.1.3"
-  resolved "https://registry.yarnpkg.com/@types/node/-/node-10.1.3.tgz#5c16980936c4e3c83ce64e8ed71fb37bd7aea135"
+"@types/node@^10.1.4":
+  version "10.1.4"
+  resolved "https://registry.yarnpkg.com/@types/node/-/node-10.1.4.tgz#606651d3f8a8bec08b8cb262161aab9209f4a29d"
 
 align-text@^0.1.1, align-text@^0.1.3:
   version "0.1.4"
@@ -2213,10 +2201,14 @@ tslib@1.9.0:
   version "1.9.0"
   resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.9.0.tgz#e37a86fda8cbbaf23a057f473c9f4dc64e5fc2e8"
 
-tslib@^1, tslib@^1.7.1, tslib@^1.8.0, tslib@^1.8.1, tslib@^1.9.1:
+tslib@^1.7.1, tslib@^1.8.0, tslib@^1.8.1:
   version "1.9.1"
   resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.9.1.tgz#a5d1f0532a49221c87755cfcc89ca37197242ba7"
 
+tslib@^1.9.2:
+  version "1.9.2"
+  resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.9.2.tgz#8be0cc9a1f6dc7727c38deb16c2ebd1a2892988e"
+
 tslint-consistent-codestyle@^1.11.0:
   version "1.13.0"
   resolved "https://registry.yarnpkg.com/tslint-consistent-codestyle/-/tslint-consistent-codestyle-1.13.0.tgz#82abf230bf39e01159b4e9af721d489dd5ae0e6c"
@@ -2286,9 +2278,9 @@ type-detect@^4.0.0:
   version "4.0.8"
   resolved "https://registry.yarnpkg.com/type-detect/-/type-detect-4.0.8.tgz#7646fb5f18871cfbb7749e69bd39a6388eb7450c"
 
-typescript@^2.8:
-  version "2.8.3"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-2.8.3.tgz#5d817f9b6f31bb871835f4edf0089f21abe6c170"
+typescript@^2.8.4:
+  version "2.8.4"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-2.8.4.tgz#0b1db68e6bdfb0b767fa2ab642136a35b059b199"
 
 uglify-js@^2.6:
   version "2.8.29"