diff --git a/package.json b/package.json
index 4f0ca618..131bf4a0 100644
--- a/package.json
+++ b/package.json
@@ -77,7 +77,7 @@
     "eslint-plugin-ember": "6.7.0",
     "eslint-plugin-node": "9.1.0",
     "loader.js": "4.7.0",
-    "sass": "1.22.0"
+    "sass": "1.22.9"
   },
   "ember-addon": {
     "configPath": "tests/dummy/config",
diff --git a/yarn.lock b/yarn.lock
index 015dac3a..5fe7672e 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1093,6 +1093,14 @@ anymatch@^2.0.0:
     micromatch "^3.1.4"
     normalize-path "^2.1.1"
 
+anymatch@^3.0.1:
+  version "3.0.3"
+  resolved "https://registry.yarnpkg.com/anymatch/-/anymatch-3.0.3.tgz#2fb624fe0e84bccab00afee3d0006ed310f22f09"
+  integrity sha512-c6IvoeBECQlMVuYUjSwimnhmztImpErfxJzWZhIQinIvQWoGOnB0dLIgifbPHQt5heS6mNlaZG16f06H3C8t1g==
+  dependencies:
+    normalize-path "^3.0.0"
+    picomatch "^2.0.4"
+
 aot-test-generators@^0.1.0:
   version "0.1.0"
   resolved "https://registry.yarnpkg.com/aot-test-generators/-/aot-test-generators-0.1.0.tgz#43f0f615f97cb298d7919c1b0b4e6b7310b03cd0"
@@ -1951,6 +1959,11 @@ binary-extensions@^1.0.0:
   resolved "https://registry.yarnpkg.com/binary-extensions/-/binary-extensions-1.13.1.tgz#598afe54755b2868a5330d2aff9d4ebb53209b65"
   integrity sha512-Un7MIEDdUC5gNpcGDV97op1Ywk748MpHcFTHoYs6qnj1Z3j7I53VG3nwZhKzoBZmbdRNnb6WRdFlwl7tSDuZGw==
 
+binary-extensions@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/binary-extensions/-/binary-extensions-2.0.0.tgz#23c0df14f6a88077f5f986c0d167ec03c3d5537c"
+  integrity sha512-Phlt0plgpIIBOGTT/ehfFnbNlfsDEiqmzE2KRXoX1bLIlir4X/MR+zSyBEkL05ffWgnRSf/DXv+WrUAVr93/ow==
+
 "binaryextensions@1 || 2":
   version "2.1.2"
   resolved "https://registry.yarnpkg.com/binaryextensions/-/binaryextensions-2.1.2.tgz#c83c3d74233ba7674e4f313cb2a2b70f54e94b7c"
@@ -2057,6 +2070,13 @@ braces@^2.3.1, braces@^2.3.2:
     split-string "^3.0.2"
     to-regex "^3.0.1"
 
+braces@^3.0.2:
+  version "3.0.2"
+  resolved "https://registry.yarnpkg.com/braces/-/braces-3.0.2.tgz#3454e1a462ee8d599e236df336cd9ea4f8afe107"
+  integrity sha512-b8um+L1RzM3WDSzvhm6gIz1yfTbBt6YTlcEKAvsmqCZZFw46z626lVj9j1yEPW33H5H+lBQpZMP1k8l+78Ha0A==
+  dependencies:
+    fill-range "^7.0.1"
+
 broccoli-amd-funnel@^2.0.1:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/broccoli-amd-funnel/-/broccoli-amd-funnel-2.0.1.tgz#dbdbfd28841731342d538126567c25bea3f15310"
@@ -2895,7 +2915,22 @@ charm@^1.0.0:
   dependencies:
     inherits "^2.0.1"
 
-chokidar@^2.0.0, chokidar@^2.0.2:
+"chokidar@>=2.0.0 <4.0.0":
+  version "3.0.2"
+  resolved "https://registry.yarnpkg.com/chokidar/-/chokidar-3.0.2.tgz#0d1cd6d04eb2df0327446188cd13736a3367d681"
+  integrity sha512-c4PR2egjNjI1um6bamCQ6bUNPDiyofNQruHvKgHQ4gDUP/ITSVSzNsiI5OWtHOsX323i5ha/kk4YmOZ1Ktg7KA==
+  dependencies:
+    anymatch "^3.0.1"
+    braces "^3.0.2"
+    glob-parent "^5.0.0"
+    is-binary-path "^2.1.0"
+    is-glob "^4.0.1"
+    normalize-path "^3.0.0"
+    readdirp "^3.1.1"
+  optionalDependencies:
+    fsevents "^2.0.6"
+
+chokidar@^2.0.2:
   version "2.1.6"
   resolved "https://registry.yarnpkg.com/chokidar/-/chokidar-2.1.6.tgz#b6cad653a929e244ce8a834244164d241fa954c5"
   integrity sha512-V2jUo67OKkc6ySiRpJrjlpJKl9kDuG+Xb8VgsGzb+aEouhgS1D0weyPU4lEzdAcsCAvrih2J2BqyXqHWvVLw5g==
@@ -5068,6 +5103,13 @@ fill-range@^4.0.0:
     repeat-string "^1.6.1"
     to-regex-range "^2.1.0"
 
+fill-range@^7.0.1:
+  version "7.0.1"
+  resolved "https://registry.yarnpkg.com/fill-range/-/fill-range-7.0.1.tgz#1919a6a7c75fe38b2c7c77e5198535da9acdda40"
+  integrity sha512-qOo9F+dMUmC2Lcb4BbVvnKJxTPjCm+RRpe4gDuGrzkL7mEVl/djYSu2OdQ2Pa302N4oqkSg9ir6jaLWJ2USVpQ==
+  dependencies:
+    to-regex-range "^5.0.1"
+
 finalhandler@1.1.2, finalhandler@~1.1.2:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/finalhandler/-/finalhandler-1.1.2.tgz#b7e7d000ffd11938d0fdb053506f6ebabe9f587d"
@@ -5356,6 +5398,11 @@ fsevents@^1.2.7:
     nan "^2.12.1"
     node-pre-gyp "^0.12.0"
 
+fsevents@^2.0.6:
+  version "2.0.7"
+  resolved "https://registry.yarnpkg.com/fsevents/-/fsevents-2.0.7.tgz#382c9b443c6cbac4c57187cdda23aa3bf1ccfc2a"
+  integrity sha512-a7YT0SV3RB+DjYcppwVDLtn13UQnmg0SWZS7ezZD0UjnLwXmy8Zm21GMVGLaFGimIqcvyMQaOJBrop8MyOp1kQ==
+
 fstream@^1.0.0, fstream@^1.0.12:
   version "1.0.12"
   resolved "https://registry.yarnpkg.com/fstream/-/fstream-1.0.12.tgz#4e8ba8ee2d48be4f7d0de505455548eae5932045"
@@ -5494,6 +5541,13 @@ glob-parent@^3.1.0:
     is-glob "^3.1.0"
     path-dirname "^1.0.0"
 
+glob-parent@^5.0.0:
+  version "5.0.0"
+  resolved "https://registry.yarnpkg.com/glob-parent/-/glob-parent-5.0.0.tgz#1dc99f0f39b006d3e92c2c284068382f0c20e954"
+  integrity sha512-Z2RwiujPRGluePM6j699ktJYxmPpJKCfpGA13jz2hmFZC7gKetzrWvg5KN3+OsIFmydGyZ1AVwERCq1w/ZZwRg==
+  dependencies:
+    is-glob "^4.0.1"
+
 glob-to-regexp@^0.3.0:
   version "0.3.0"
   resolved "https://registry.yarnpkg.com/glob-to-regexp/-/glob-to-regexp-0.3.0.tgz#8c5a1494d2066c570cc3bfe4496175acc4d502ab"
@@ -6096,6 +6150,13 @@ is-binary-path@^1.0.0:
   dependencies:
     binary-extensions "^1.0.0"
 
+is-binary-path@^2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/is-binary-path/-/is-binary-path-2.1.0.tgz#ea1f7f3b80f064236e83470f86c09c254fb45b09"
+  integrity sha512-ZMERYes6pDydyuGidse7OsHxtbI7WVeUEozgR/g7rd0xUimYNlvZRE/K2MgZTjWy725IfelLeVcEM97mmtRGXw==
+  dependencies:
+    binary-extensions "^2.0.0"
+
 is-buffer@^1.1.5:
   version "1.1.6"
   resolved "https://registry.yarnpkg.com/is-buffer/-/is-buffer-1.1.6.tgz#efaa2ea9daa0d7ab2ea13a97b2b8ad51fefbe8be"
@@ -6191,7 +6252,7 @@ is-glob@^3.1.0:
   dependencies:
     is-extglob "^2.1.0"
 
-is-glob@^4.0.0:
+is-glob@^4.0.0, is-glob@^4.0.1:
   version "4.0.1"
   resolved "https://registry.yarnpkg.com/is-glob/-/is-glob-4.0.1.tgz#7567dbe9f2f5e2467bc77ab83c4a29482407a5dc"
   integrity sha512-5G0tKtBTFImOqDnLB2hG6Bp2qcKEFduo4tZu9MT/H6NQv/ghhy30o55ufafxJ/LdH79LLs2Kfrn85TLKyA7BUg==
@@ -6205,6 +6266,11 @@ is-number@^3.0.0:
   dependencies:
     kind-of "^3.0.2"
 
+is-number@^7.0.0:
+  version "7.0.0"
+  resolved "https://registry.yarnpkg.com/is-number/-/is-number-7.0.0.tgz#7535345b896734d5f80c4d06c50955527a14f12b"
+  integrity sha512-41Cifkg6e8TylSpdtTpeLVMqvSBEVzTttHvERD741+pnZ8ANv0004MRL43QKPDlK9cGvNp6NZWZUBlbGXYxxng==
+
 is-obj@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/is-obj/-/is-obj-1.0.1.tgz#3e4729ac1f5fde025cd7d83a896dab9f4f67db0f"
@@ -8125,6 +8191,11 @@ performance-now@^2.1.0:
   resolved "https://registry.yarnpkg.com/performance-now/-/performance-now-2.1.0.tgz#6309f4e0e5fa913ec1c69307ae364b4b377c9e7b"
   integrity sha1-Ywn04OX6kT7BxpMHrjZLSzd8nns=
 
+picomatch@^2.0.4:
+  version "2.0.7"
+  resolved "https://registry.yarnpkg.com/picomatch/-/picomatch-2.0.7.tgz#514169d8c7cd0bdbeecc8a2609e34a7163de69f6"
+  integrity sha512-oLHIdio3tZ0qH76NybpeneBhYVj0QFTfXEFTc/B3zKQspYfYYkWYgFsmzo+4kvId/bQRcNkVeguI3y+CD22BtA==
+
 pify@^2.0.0:
   version "2.3.0"
   resolved "https://registry.yarnpkg.com/pify/-/pify-2.3.0.tgz#ed141a6ac043a849ea588498e7dca8b15330e90c"
@@ -8500,6 +8571,13 @@ readdirp@^2.2.1:
     micromatch "^3.1.10"
     readable-stream "^2.0.2"
 
+readdirp@^3.1.1:
+  version "3.1.1"
+  resolved "https://registry.yarnpkg.com/readdirp/-/readdirp-3.1.1.tgz#b158123ac343c8b0f31d65680269cc0fc1025db1"
+  integrity sha512-XXdSXZrQuvqoETj50+JAitxz1UPdt5dupjT6T5nVB+WvjMv2XKYj+s7hPeAVCXvmJrL36O4YYyWlIC3an2ePiQ==
+  dependencies:
+    picomatch "^2.0.4"
+
 recast@^0.11.3:
   version "0.11.23"
   resolved "https://registry.yarnpkg.com/recast/-/recast-0.11.23.tgz#451fd3004ab1e4df9b4e4b66376b2a21912462d3"
@@ -8912,12 +8990,12 @@ sass-graph@^2.2.4:
     scss-tokenizer "^0.2.3"
     yargs "^7.0.0"
 
-sass@1.22.0:
-  version "1.22.0"
-  resolved "https://registry.yarnpkg.com/sass/-/sass-1.22.0.tgz#70fcfa86d78450d98a54c7459d3f2c93d7abf30b"
-  integrity sha512-6BEkdLYPP26cKggrMuBjMWpguMFgeayW+35LGnzXqCipm86fUboSVAdRLFKRpk1ClMNzFZums6kKkjgWF00WoA==
+sass@1.22.9:
+  version "1.22.9"
+  resolved "https://registry.yarnpkg.com/sass/-/sass-1.22.9.tgz#41a2ed6038027f58be2bd5041293452a29c2cb84"
+  integrity sha512-FzU1X2V8DlnqabrL4u7OBwD2vcOzNMongEJEx3xMEhWY/v26FFR3aG0hyeu2T965sfR0E9ufJwmG+Qjz78vFPQ==
   dependencies:
-    chokidar "^2.0.0"
+    chokidar ">=2.0.0 <4.0.0"
 
 sax@^1.2.4:
   version "1.2.4"
@@ -9783,6 +9861,13 @@ to-regex-range@^2.1.0:
     is-number "^3.0.0"
     repeat-string "^1.6.1"
 
+to-regex-range@^5.0.1:
+  version "5.0.1"
+  resolved "https://registry.yarnpkg.com/to-regex-range/-/to-regex-range-5.0.1.tgz#1648c44aae7c8d988a326018ed72f5b4dd0392e4"
+  integrity sha512-65P7iz6X5yEr1cwcgvQxbbIw7Uk3gOy5dIdtZ4rDveLqhrdJP+Li/Hx6tyK0NEb+2GCyneCMJiGqrADCSNk8sQ==
+  dependencies:
+    is-number "^7.0.0"
+
 to-regex@^3.0.1, to-regex@^3.0.2:
   version "3.0.2"
   resolved "https://registry.yarnpkg.com/to-regex/-/to-regex-3.0.2.tgz#13cfdd9b336552f30b51f33a8ae1b42a7a7599ce"