diff --git a/package.json b/package.json
index 821da623..e88d2e10 100644
--- a/package.json
+++ b/package.json
@@ -39,7 +39,7 @@
   "devDependencies": {
     "ember-cli": "~3.9.0",
     "ember-cli-dependency-checker": "^3.2.0",
-    "ember-cli-htmlbars": "^3.0.1",
+    "ember-cli-htmlbars": "^3.1.0",
     "ember-cli-htmlbars-inline-precompile": "^2.1.0",
     "ember-cli-inject-live-reload": "^2.0.1",
     "ember-cli-shims": "^1.1.0",
diff --git a/yarn.lock b/yarn.lock
index 213c0889..66c2c5a9 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -816,6 +816,11 @@
   resolved "https://registry.yarnpkg.com/@types/node/-/node-9.6.35.tgz#197dd535c094362a7c95f0b78f07583d6681ed26"
   integrity sha512-h5zvHS8wXHGa+Gcqs9K8vqCgOtqjr0+NqG/DDJmQIX1wpR9HivAfgV8bjcD3mGM4bPfQw5Aneb2Pn8355L83jA==
 
+"@types/symlink-or-copy@^1.2.0":
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/@types/symlink-or-copy/-/symlink-or-copy-1.2.0.tgz#4151a81b4052c80bc2becbae09f3a9ec010a9c7a"
+  integrity sha512-Lja2xYuuf2B3knEsga8ShbOdsfNOtzT73GyJmZyY7eGl2+ajOqrs8yM5ze0fsSoYwvA6bw7/Qr7OZ7PEEmYwWg==
+
 abbrev@1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/abbrev/-/abbrev-1.1.1.tgz#f8f2c887ad10bf67f634f005b6987fed3179aac8"
@@ -2113,15 +2118,15 @@ broccoli-persistent-filter@^1.1.6, broccoli-persistent-filter@^1.4.3:
     symlink-or-copy "^1.0.1"
     walk-sync "^0.3.1"
 
-broccoli-persistent-filter@^2.1.1, broccoli-persistent-filter@^2.2.1:
-  version "2.2.2"
-  resolved "https://registry.yarnpkg.com/broccoli-persistent-filter/-/broccoli-persistent-filter-2.2.2.tgz#e0180e75ede5dd05d4c702f24f6c049e93fba915"
-  integrity sha512-PW12RD1yY+x5SASUADuUMJce+dVSmjBO3pV1rLNHmT1C31rp1P++TvX7AgUObFmGhL7qlwviSdhMbBkY1v3G2w==
+broccoli-persistent-filter@^2.1.1, broccoli-persistent-filter@^2.2.1, broccoli-persistent-filter@^2.3.1:
+  version "2.3.1"
+  resolved "https://registry.yarnpkg.com/broccoli-persistent-filter/-/broccoli-persistent-filter-2.3.1.tgz#4a052e0e0868b344c3a2977e35a3d497aa9eca72"
+  integrity sha512-hVsmIgCDrl2NFM+3Gs4Cr2TA6UPaIZip99hN8mtkaUPgM8UeVnCbxelCvBjUBHo0oaaqP5jzqqnRVvb568Yu5g==
   dependencies:
     async-disk-cache "^1.2.1"
     async-promise-queue "^1.0.3"
     broccoli-plugin "^1.0.0"
-    fs-tree-diff "^1.0.2"
+    fs-tree-diff "^2.0.0"
     hash-for-dep "^1.5.0"
     heimdalljs "^0.2.1"
     heimdalljs-logger "^0.1.7"
@@ -2130,6 +2135,7 @@ broccoli-persistent-filter@^2.1.1, broccoli-persistent-filter@^2.2.1:
     rimraf "^2.6.1"
     rsvp "^4.7.0"
     symlink-or-copy "^1.0.1"
+    sync-disk-cache "^1.3.3"
     walk-sync "^1.0.0"
 
 broccoli-plugin@^1.0.0, broccoli-plugin@^1.1.0, broccoli-plugin@^1.2.0, broccoli-plugin@^1.2.1, broccoli-plugin@^1.3.0, broccoli-plugin@^1.3.1:
@@ -3086,14 +3092,14 @@ ember-cli-htmlbars-inline-precompile@^2.1.0:
     heimdalljs-logger "^0.1.9"
     silent-error "^1.1.0"
 
-ember-cli-htmlbars@^3.0.1:
-  version "3.0.1"
-  resolved "https://registry.yarnpkg.com/ember-cli-htmlbars/-/ember-cli-htmlbars-3.0.1.tgz#01e21f0fd05e0a6489154f26614b1041769e3e58"
-  integrity sha512-pyyB2s52vKTXDC5svU3IjU7GRLg2+5O81o9Ui0ZSiBS14US/bZl46H2dwcdSJAK+T+Za36ZkQM9eh1rNwOxfoA==
+ember-cli-htmlbars@^3.1.0:
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/ember-cli-htmlbars/-/ember-cli-htmlbars-3.1.0.tgz#87806c2a0bca2ab52d4fb8af8e2215c1ca718a99"
+  integrity sha512-cgvRJM73IT0aePUG7oQ/afB7vSRBV3N0wu9BrWhHX2zkR7A7cUBI7KC9VPk6tbctCXoM7BRGsCC4aIjF7yrfXA==
   dependencies:
-    broccoli-persistent-filter "^1.4.3"
-    hash-for-dep "^1.2.3"
-    json-stable-stringify "^1.0.0"
+    broccoli-persistent-filter "^2.3.1"
+    hash-for-dep "^1.5.1"
+    json-stable-stringify "^1.0.1"
     strip-bom "^3.0.0"
 
 ember-cli-inject-live-reload@^2.0.1:
@@ -4220,6 +4226,17 @@ fs-tree-diff@^1.0.2:
     path-posix "^1.0.0"
     symlink-or-copy "^1.1.8"
 
+fs-tree-diff@^2.0.0:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/fs-tree-diff/-/fs-tree-diff-2.0.1.tgz#343e4745ab435ec39ebac5f9059ad919cd034afa"
+  integrity sha512-x+CfAZ/lJHQqwlD64pYM5QxWjzWhSjroaVsr8PW831zOApL55qPibed0c+xebaLWVr2BnHFoHdrwOv8pzt8R5A==
+  dependencies:
+    "@types/symlink-or-copy" "^1.2.0"
+    heimdalljs-logger "^0.1.7"
+    object-assign "^4.1.0"
+    path-posix "^1.0.0"
+    symlink-or-copy "^1.1.8"
+
 fs-updater@^1.0.4:
   version "1.0.4"
   resolved "https://registry.yarnpkg.com/fs-updater/-/fs-updater-1.0.4.tgz#2329980f99ae9176e9a0e84f7637538a182ce63b"
@@ -4575,17 +4592,7 @@ has@^1.0.1:
   dependencies:
     function-bind "^1.1.1"
 
-hash-for-dep@^1.0.2, hash-for-dep@^1.2.3:
-  version "1.2.3"
-  resolved "https://registry.yarnpkg.com/hash-for-dep/-/hash-for-dep-1.2.3.tgz#5ec69fca32c23523972d52acb5bb65ffc3664cab"
-  integrity sha512-NE//rDaCFpWHViw30YM78OAGBShU+g4dnUGY3UWGyEzPOGYg/ptOjk32nEc+bC1xz+RfK5UIs6lOL6eQdrV4Ow==
-  dependencies:
-    broccoli-kitchen-sink-helpers "^0.3.1"
-    heimdalljs "^0.2.3"
-    heimdalljs-logger "^0.1.7"
-    resolve "^1.4.0"
-
-hash-for-dep@^1.4.7, hash-for-dep@^1.5.0:
+hash-for-dep@^1.0.2, hash-for-dep@^1.2.3, hash-for-dep@^1.4.7, hash-for-dep@^1.5.0, hash-for-dep@^1.5.1:
   version "1.5.1"
   resolved "https://registry.yarnpkg.com/hash-for-dep/-/hash-for-dep-1.5.1.tgz#497754b39bee2f1c4ade4521bfd2af0a7c1196e3"
   integrity sha512-/dQ/A2cl7FBPI2pO0CANkvuuVi/IFS5oTyJ0PsOb6jW6WbVW1js5qJXMJTNbWHXBIPdFTWFbabjB+mE0d+gelw==
@@ -7686,6 +7693,17 @@ symlink-or-copy@^1.0.0, symlink-or-copy@^1.0.1, symlink-or-copy@^1.1.8, symlink-
   resolved "https://registry.yarnpkg.com/symlink-or-copy/-/symlink-or-copy-1.2.0.tgz#5d49108e2ab824a34069b68974486c290020b393"
   integrity sha512-W31+GLiBmU/ZR02Ii0mVZICuNEN9daZ63xZMPDsYgPgNjMtg+atqLEGI7PPI936jYSQZxoLb/63xos8Adrx4Eg==
 
+sync-disk-cache@^1.3.3:
+  version "1.3.3"
+  resolved "https://registry.yarnpkg.com/sync-disk-cache/-/sync-disk-cache-1.3.3.tgz#481933461623fdc2bdf46cfc87872ba215a7e246"
+  integrity sha512-Kp7DFemXDPRUbFW856CKamtX7bJuThZPa2dwnK2RfNqMew7Ah8xDc52SdooNlfN8oydDdDHlBPLsXTrtmA7HKw==
+  dependencies:
+    debug "^2.1.3"
+    heimdalljs "^0.2.3"
+    mkdirp "^0.5.0"
+    rimraf "^2.2.8"
+    username-sync "^1.0.2"
+
 table@^5.2.3:
   version "5.2.3"
   resolved "https://registry.yarnpkg.com/table/-/table-5.2.3.tgz#cde0cc6eb06751c009efab27e8c820ca5b67b7f2"
@@ -8071,6 +8089,11 @@ username-sync@1.0.1:
   resolved "https://registry.yarnpkg.com/username-sync/-/username-sync-1.0.1.tgz#1cde87eefcf94b8822984d938ba2b797426dae1f"
   integrity sha1-HN6H7vz5S4gimE2Ti6K3l0Jtrh8=
 
+username-sync@^1.0.2:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/username-sync/-/username-sync-1.0.2.tgz#0a3697909fb7b5768d29e2921f573acfdd427592"
+  integrity sha512-ayNkOJdoNSGNDBE46Nkc+l6IXmeugbzahZLSMkwvgRWv5y5ZqNY2IrzcgmkR4z32sj1W3tM3TuTUMqkqBzO+RA==
+
 util-deprecate@^1.0.2, util-deprecate@~1.0.1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/util-deprecate/-/util-deprecate-1.0.2.tgz#450d4dc9fa70de732762fbd2d4a28981419a0ccf"