diff --git a/package.json b/package.json
index 217f8ee..3fbcf3c 100644
--- a/package.json
+++ b/package.json
@@ -39,7 +39,7 @@
     "ember-cli-typescript": "^2.0.2"
   },
   "devDependencies": {
-    "@ember/optional-features": "^0.7.0",
+    "@ember/optional-features": "^1.2.0",
     "@types/ember": "^3.1.1",
     "@types/ember-qunit": "^3.4.7",
     "@types/ember-resolver": "^5.0.7",
diff --git a/yarn.lock b/yarn.lock
index 00792e0..73db7f5 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -919,18 +919,18 @@
   resolved "https://registry.yarnpkg.com/@ember/edition-utils/-/edition-utils-1.1.1.tgz#d5732c3da593f202e6e1ac6dbee56a758242403f"
   integrity sha512-GEhri78jdQp/xxPpM6z08KlB0wrHfnfrJ9dmQk7JeQ4XCiMzXsJci7yooQgg/IcTKCM/PxE/IkGCQAo80adMkw==
 
-"@ember/optional-features@^0.7.0":
-  version "0.7.0"
-  resolved "https://registry.yarnpkg.com/@ember/optional-features/-/optional-features-0.7.0.tgz#f65a858007020ddfb8342f586112750c32abd2d9"
-  integrity sha512-qLXvL/Kq/COb43oQmCrKx7Fy8k1XJDI2RlgbCnZHH26AGVgJT/sZugx1A2AIxKdamtl/Mi+rQSjGIuscSjqjDw==
+"@ember/optional-features@^1.2.0":
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/@ember/optional-features/-/optional-features-1.2.0.tgz#121934fb8fbda2217bffea8fe18d6a916a01c257"
+  integrity sha512-XK3J4vW0nwo1FwrvIHsa93FgkLfT84hTmYIPyCj1roYVok9gpzyTYGqr1uCmfk1yl12NmwIetiCZTO37GMgTPQ==
   dependencies:
-    chalk "^2.3.0"
+    chalk "^3.0.0"
     co "^4.6.0"
-    ember-cli-version-checker "^2.1.0"
-    glob "^7.1.2"
-    inquirer "^3.3.0"
+    ember-cli-version-checker "^3.1.3"
+    glob "^7.1.6"
+    inquirer "^7.0.1"
     mkdirp "^0.5.1"
-    silent-error "^1.1.0"
+    silent-error "^1.1.1"
     util.promisify "^1.0.0"
 
 "@ember/test-helpers@^1.7.1":
@@ -1049,6 +1049,11 @@
   dependencies:
     defer-to-connect "^1.0.1"
 
+"@types/color-name@^1.1.1":
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/@types/color-name/-/color-name-1.1.1.tgz#1c1261bbeaa10a8055bbc5d8ab84b7b2afc846a0"
+  integrity sha512-rr+OQyAjxze7GgWrSaJwydHStIhHq2lvY3BOC2Mj7KnzI7XK0Uw1TOOdI9lDoajEbSWLiYgoo4f1R51erQfhPQ==
+
 "@types/ember-qunit@^3.4.7":
   version "3.4.7"
   resolved "https://registry.yarnpkg.com/@types/ember-qunit/-/ember-qunit-3.4.7.tgz#57dad9f01ff6136cdadf2a06b7089af91661d3b5"
@@ -1450,7 +1455,7 @@ ansi-align@^3.0.0:
   dependencies:
     string-width "^3.0.0"
 
-ansi-escapes@^3.0.0, ansi-escapes@^3.2.0:
+ansi-escapes@^3.2.0:
   version "3.2.0"
   resolved "https://registry.yarnpkg.com/ansi-escapes/-/ansi-escapes-3.2.0.tgz#8780b98ff9dbf5638152d1f1fe5c1d7b4442976b"
   integrity sha512-cBhpre4ma+U0T1oM5fXg7Dy1Jw7zzwv7lt/GoCpr+hDQJoYnKVPLL4dCvSEFMmQurOQvSrwT7SL/DAlhBI97RQ==
@@ -1489,6 +1494,14 @@ ansi-styles@^3.0.0, ansi-styles@^3.2.0, ansi-styles@^3.2.1:
   dependencies:
     color-convert "^1.9.0"
 
+ansi-styles@^4.1.0:
+  version "4.2.0"
+  resolved "https://registry.yarnpkg.com/ansi-styles/-/ansi-styles-4.2.0.tgz#5681f0dcf7ae5880a7841d8831c4724ed9cc0172"
+  integrity sha512-7kFQgnEaMdRtwf6uSfUnVr9gSGC7faurn+J/Mv90/W+iTtN0405/nLdopfMWwchyxhbGYl6TC4Sccn9TUkGAgg==
+  dependencies:
+    "@types/color-name" "^1.1.1"
+    color-convert "^2.0.1"
+
 ansi-to-html@^0.6.6:
   version "0.6.10"
   resolved "https://registry.yarnpkg.com/ansi-to-html/-/ansi-to-html-0.6.10.tgz#412114353bac2589a034db7ec5b371b8ba771131"
@@ -3003,16 +3016,19 @@ chalk@^1.0.0, chalk@^1.1.3:
     strip-ansi "^3.0.0"
     supports-color "^2.0.0"
 
+chalk@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/chalk/-/chalk-3.0.0.tgz#3f73c2bf526591f574cc492c51e2456349f844e4"
+  integrity sha512-4D3B6Wf41KOYRFdszmDqMCGq5VV/uMAB273JILmO+3jAlh8X4qDtdtgCR3fxtbLEMzSx22QdhnDcJvu2u1fVwg==
+  dependencies:
+    ansi-styles "^4.1.0"
+    supports-color "^7.1.0"
+
 changelog-filename-regex@^1.1.0:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/changelog-filename-regex/-/changelog-filename-regex-1.1.2.tgz#19e98e38248cff0c1cf3ae3bf51bfb22c48592d6"
   integrity sha512-kpOfKlZ9x2UpeC4at6FAXHLKfi/JEUqUqkPCb1JUCa5FnNbJIzOHRM9RfeQ1QDcpj+Gxuc/UoHqASgmEeFDejQ==
 
-chardet@^0.4.0:
-  version "0.4.2"
-  resolved "https://registry.yarnpkg.com/chardet/-/chardet-0.4.2.tgz#b5473b33dc97c424e5d98dc87d55d4d8a29c8bf2"
-  integrity sha1-tUc7M9yXxCTl2Y3IfVXU2KKci/I=
-
 chardet@^0.7.0:
   version "0.7.0"
   resolved "https://registry.yarnpkg.com/chardet/-/chardet-0.7.0.tgz#90094849f0937f2eedc2425d0d28a9e5f0cbad9e"
@@ -3180,11 +3196,23 @@ color-convert@^1.9.0:
   dependencies:
     color-name "1.1.3"
 
+color-convert@^2.0.1:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/color-convert/-/color-convert-2.0.1.tgz#72d3a68d598c9bdb3af2ad1e84f21d896abd4de3"
+  integrity sha512-RRECPsj7iu/xb5oKYcsFHSppFNnsj/52OVTRKb4zP5onXwVF3zVmmToNcOfGC+CRDpfK/U584fMg38ZHCaElKQ==
+  dependencies:
+    color-name "~1.1.4"
+
 color-name@1.1.3:
   version "1.1.3"
   resolved "https://registry.yarnpkg.com/color-name/-/color-name-1.1.3.tgz#a7d0558bd89c42f795dd42328f740831ca53bc25"
   integrity sha1-p9BVi9icQveV3UIyj3QIMcpTvCU=
 
+color-name@~1.1.4:
+  version "1.1.4"
+  resolved "https://registry.yarnpkg.com/color-name/-/color-name-1.1.4.tgz#c2a09a87acbde69543de6f63fa3995c826c536a2"
+  integrity sha512-dOy+3AuW3a2wNbZHIuMZpTcgjGuLU/uBL/ubcZF9OXbDo8ff4O8yVp5Bf0efS8uEoYo5q4Fx7dY9OgQGXgAsQA==
+
 colors@1.0.3:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/colors/-/colors-1.0.3.tgz#0433f44d809680fdeb60ed260f1b0c262e82a40b"
@@ -3909,7 +3937,7 @@ ember-cli-valid-component-name@^1.0.0:
   dependencies:
     silent-error "^1.0.0"
 
-ember-cli-version-checker@^2.0.0, ember-cli-version-checker@^2.1.0, ember-cli-version-checker@^2.1.2:
+ember-cli-version-checker@^2.0.0, ember-cli-version-checker@^2.1.2:
   version "2.1.2"
   resolved "https://registry.yarnpkg.com/ember-cli-version-checker/-/ember-cli-version-checker-2.1.2.tgz#305ce102390c66e4e0f1432dea9dc5c7c19fed98"
   integrity sha512-sjkHGr4IGXnO3EUcY21380Xo9Qf6bC8HWH4D62bVnrQop/8uha5XgMQRoAflMCeH6suMrezQL287JUoYc2smEw==
@@ -4618,15 +4646,6 @@ extend@^3.0.0:
   resolved "https://registry.yarnpkg.com/extend/-/extend-3.0.2.tgz#f8b1136b4071fbd8eb140aff858b1019ec2915fa"
   integrity sha512-fjquC59cD7CyW6urNXK0FBufkZcoiGG80wTuPujX590cB5Ttln20E2UB4S/WARVqhXffZl2LNgS+gQdPIIim/g==
 
-external-editor@^2.0.4:
-  version "2.2.0"
-  resolved "https://registry.yarnpkg.com/external-editor/-/external-editor-2.2.0.tgz#045511cfd8d133f3846673d1047c154e214ad3d5"
-  integrity sha512-bSn6gvGxKt+b7+6TKEv1ZycHleA7aHhRHyAqJyp5pbUFuYYNIzpZnQDk7AsYckyWdEnTeAnay0aCy2aV6iTk9A==
-  dependencies:
-    chardet "^0.4.0"
-    iconv-lite "^0.4.17"
-    tmp "^0.0.33"
-
 external-editor@^3.0.3:
   version "3.0.3"
   resolved "https://registry.yarnpkg.com/external-editor/-/external-editor-3.0.3.tgz#5866db29a97826dbe4bf3afd24070ead9ea43a27"
@@ -5191,31 +5210,7 @@ glob@^5.0.10:
     once "^1.3.0"
     path-is-absolute "^1.0.0"
 
-glob@^7.0.0:
-  version "7.1.4"
-  resolved "https://registry.yarnpkg.com/glob/-/glob-7.1.4.tgz#aa608a2f6c577ad357e1ae5a5c26d9a8d1969255"
-  integrity sha512-hkLPepehmnKk41pUGm3sYxoFs/umurYfYJCerbXEyFIWcAzvpipAgVkBqqT9RBKMGjnq6kMuyYwha6csxbiM1A==
-  dependencies:
-    fs.realpath "^1.0.0"
-    inflight "^1.0.4"
-    inherits "2"
-    minimatch "^3.0.4"
-    once "^1.3.0"
-    path-is-absolute "^1.0.0"
-
-glob@^7.0.4, glob@^7.1.2, glob@^7.1.3:
-  version "7.1.3"
-  resolved "https://registry.yarnpkg.com/glob/-/glob-7.1.3.tgz#3960832d3f1574108342dafd3a67b332c0969df1"
-  integrity sha512-vcfuiIxogLV4DlGBHIUOwI0IbrJ8HWPc4MU7HzviGeNho/UJDfi6B5p3sHeWIQ0KGIU0Jpxi5ZHxemQfLkkAwQ==
-  dependencies:
-    fs.realpath "^1.0.0"
-    inflight "^1.0.4"
-    inherits "2"
-    minimatch "^3.0.4"
-    once "^1.3.0"
-    path-is-absolute "^1.0.0"
-
-glob@^7.1.6:
+glob@^7.0.0, glob@^7.0.4, glob@^7.1.2, glob@^7.1.3, glob@^7.1.6:
   version "7.1.6"
   resolved "https://registry.yarnpkg.com/glob/-/glob-7.1.6.tgz#141f33b81a7c2492e125594307480c46679278a6"
   integrity sha512-LwaxwyZ72Lk7vZINtNNrywX0ZuLyStrdDtabefZKAY5ZGJhVtgdznluResxNmPitE0SAO+O26sWTHeKSI2wMBA==
@@ -5589,7 +5584,7 @@ iconv-lite@0.4.23:
   dependencies:
     safer-buffer ">= 2.1.2 < 3"
 
-iconv-lite@^0.4.17, iconv-lite@^0.4.24, iconv-lite@~0.4.13:
+iconv-lite@^0.4.24, iconv-lite@~0.4.13:
   version "0.4.24"
   resolved "https://registry.yarnpkg.com/iconv-lite/-/iconv-lite-0.4.24.tgz#2022b4b25fbddc21d2f524974a474aafe733908b"
   integrity sha512-v3MXnZAcvnywkTUEZomIActle7RXXeedOR31wwl7VlyoXO4Qi9arvSenNQWne1TcRwhCL1HwLI21bEqdpj8/rA==
@@ -5709,26 +5704,6 @@ inquirer@7.0.0:
     strip-ansi "^5.1.0"
     through "^2.3.6"
 
-inquirer@^3.3.0:
-  version "3.3.0"
-  resolved "https://registry.yarnpkg.com/inquirer/-/inquirer-3.3.0.tgz#9dd2f2ad765dcab1ff0443b491442a20ba227dc9"
-  integrity sha512-h+xtnyk4EwKvFWHrUYsWErEVR+igKtLdchu+o0Z1RL7VU/jVMFbYir2bp6bAj8efFNxWqHX0dIss6fJQ+/+qeQ==
-  dependencies:
-    ansi-escapes "^3.0.0"
-    chalk "^2.0.0"
-    cli-cursor "^2.1.0"
-    cli-width "^2.0.0"
-    external-editor "^2.0.4"
-    figures "^2.0.0"
-    lodash "^4.3.0"
-    mute-stream "0.0.7"
-    run-async "^2.2.0"
-    rx-lite "^4.0.8"
-    rx-lite-aggregates "^4.0.8"
-    string-width "^2.1.0"
-    strip-ansi "^4.0.0"
-    through "^2.3.6"
-
 inquirer@^6, inquirer@^6.2.2:
   version "6.5.2"
   resolved "https://registry.yarnpkg.com/inquirer/-/inquirer-6.5.2.tgz#ad50942375d036d327ff528c08bd5fab089928ca"
@@ -5748,6 +5723,25 @@ inquirer@^6, inquirer@^6.2.2:
     strip-ansi "^5.1.0"
     through "^2.3.6"
 
+inquirer@^7.0.1:
+  version "7.0.1"
+  resolved "https://registry.yarnpkg.com/inquirer/-/inquirer-7.0.1.tgz#13f7980eedc73c689feff3994b109c4e799c6ebb"
+  integrity sha512-V1FFQ3TIO15det8PijPLFR9M9baSlnRs9nL7zWu1MNVA2T9YVl9ZbrHJhYs7e9X8jeMZ3lr2JH/rdHFgNCBdYw==
+  dependencies:
+    ansi-escapes "^4.2.1"
+    chalk "^2.4.2"
+    cli-cursor "^3.1.0"
+    cli-width "^2.0.0"
+    external-editor "^3.0.3"
+    figures "^3.0.0"
+    lodash "^4.17.15"
+    mute-stream "0.0.8"
+    run-async "^2.2.0"
+    rxjs "^6.5.3"
+    string-width "^4.1.0"
+    strip-ansi "^5.1.0"
+    through "^2.3.6"
+
 interpret@^1.0.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/interpret/-/interpret-1.2.0.tgz#d5061a6224be58e8083985f5014d844359576296"
@@ -6737,7 +6731,7 @@ lodash.values@~2.3.0:
   dependencies:
     lodash.keys "~2.3.0"
 
-lodash@4.17.15, lodash@^4.17.10, lodash@^4.17.11, lodash@^4.17.12, lodash@^4.17.13, lodash@^4.17.14, lodash@^4.17.15, lodash@^4.17.4, lodash@^4.3.0, lodash@^4.6.1:
+lodash@4.17.15, lodash@^4.17.10, lodash@^4.17.11, lodash@^4.17.12, lodash@^4.17.13, lodash@^4.17.14, lodash@^4.17.15, lodash@^4.17.4, lodash@^4.6.1:
   version "4.17.15"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.15.tgz#b447f6670a0455bbfeedd11392eff330ea097548"
   integrity sha512-8xOcRHvCjnocdS5cpwXQXVzmmh5e5+saE2QGoeQmbKmRS6J3VQppPOIt0MnmE+4xlZoumy0GPG0D0MVIQbNA1A==
@@ -8375,18 +8369,6 @@ run-queue@^1.0.0, run-queue@^1.0.3:
   dependencies:
     aproba "^1.1.1"
 
-rx-lite-aggregates@^4.0.8:
-  version "4.0.8"
-  resolved "https://registry.yarnpkg.com/rx-lite-aggregates/-/rx-lite-aggregates-4.0.8.tgz#753b87a89a11c95467c4ac1626c4efc4e05c67be"
-  integrity sha1-dTuHqJoRyVRnxKwWJsTvxOBcZ74=
-  dependencies:
-    rx-lite "*"
-
-rx-lite@*, rx-lite@^4.0.8:
-  version "4.0.8"
-  resolved "https://registry.yarnpkg.com/rx-lite/-/rx-lite-4.0.8.tgz#0b1e11af8bc44836f04a6407e92da42467b79444"
-  integrity sha1-Cx4Rr4vESDbwSmQH6S2kJGe3lEQ=
-
 rxjs@^6.4.0:
   version "6.4.0"
   resolved "https://registry.yarnpkg.com/rxjs/-/rxjs-6.4.0.tgz#f3bb0fe7bda7fb69deac0c16f17b50b0b8790504"
@@ -8394,6 +8376,13 @@ rxjs@^6.4.0:
   dependencies:
     tslib "^1.9.0"
 
+rxjs@^6.5.3:
+  version "6.5.3"
+  resolved "https://registry.yarnpkg.com/rxjs/-/rxjs-6.5.3.tgz#510e26317f4db91a7eb1de77d9dd9ba0a4899a3a"
+  integrity sha512-wuYsAYYFdWTAnAaPoKGNhfpWwKZbJW+HgAJ+mImp+Epl7BG8oNWBCTyRM8gba9k4lk8BgWdoYm21Mo/RYhhbgA==
+  dependencies:
+    tslib "^1.9.0"
+
 safe-buffer@5.1.2, safe-buffer@^5.0.1, safe-buffer@^5.1.1, safe-buffer@^5.1.2, safe-buffer@~5.1.0, safe-buffer@~5.1.1:
   version "5.1.2"
   resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.1.2.tgz#991ec69d296e0313747d59bdfd2b745c35f8828d"
@@ -8955,6 +8944,13 @@ supports-color@^5.3.0:
   dependencies:
     has-flag "^3.0.0"
 
+supports-color@^7.1.0:
+  version "7.1.0"
+  resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-7.1.0.tgz#68e32591df73e25ad1c4b49108a2ec507962bfd1"
+  integrity sha512-oRSIpR8pxT1Wr2FquTNnGet79b3BWljqOuoW/h4oBhxJ/HUbX5nX6JSruTkvXDCFMwDPvsaTTbvMLKZWSy0R5g==
+  dependencies:
+    has-flag "^4.0.0"
+
 symlink-or-copy@^1.0.0, symlink-or-copy@^1.0.1, symlink-or-copy@^1.1.8, symlink-or-copy@^1.2.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/symlink-or-copy/-/symlink-or-copy-1.2.0.tgz#5d49108e2ab824a34069b68974486c290020b393"