diff --git a/package.json b/package.json
index edfc95a..f17d105 100644
--- a/package.json
+++ b/package.json
@@ -60,7 +60,7 @@
     "ember-concurrency": "0.10.0",
     "ember-data": "3.7.0",
     "ember-disable-prototype-extensions": "1.1.3",
-    "ember-in-viewport": "3.3.0",
+    "ember-in-viewport": "3.5.3",
     "ember-load-initializers": "1.1.0",
     "ember-math-helpers": "2.11.0",
     "ember-maybe-import-regenerator": "0.1.6",
diff --git a/yarn.lock b/yarn.lock
index 09d4503..45f115d 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -71,6 +71,17 @@
     source-map "^0.5.0"
     trim-right "^1.0.1"
 
+"@babel/generator@^7.4.4":
+  version "7.4.4"
+  resolved "https://registry.yarnpkg.com/@babel/generator/-/generator-7.4.4.tgz#174a215eb843fc392c7edcaabeaa873de6e8f041"
+  integrity sha512-53UOLK6TVNqKxf7RUh8NE851EHRxOOeVXKbK2bivdb+iziMyk03Sr4eaE9OELCbyZAAafAKPDwF2TPUES5QbxQ==
+  dependencies:
+    "@babel/types" "^7.4.4"
+    jsesc "^2.5.1"
+    lodash "^4.17.11"
+    source-map "^0.5.0"
+    trim-right "^1.0.1"
+
 "@babel/helper-annotate-as-pure@^7.0.0":
   version "7.0.0"
   resolved "https://registry.yarnpkg.com/@babel/helper-annotate-as-pure/-/helper-annotate-as-pure-7.0.0.tgz#323d39dd0b50e10c7c06ca7d7638e6864d8c5c32"
@@ -95,6 +106,18 @@
     "@babel/traverse" "^7.1.0"
     "@babel/types" "^7.0.0"
 
+"@babel/helper-create-class-features-plugin@^7.4.4":
+  version "7.4.4"
+  resolved "https://registry.yarnpkg.com/@babel/helper-create-class-features-plugin/-/helper-create-class-features-plugin-7.4.4.tgz#fc3d690af6554cc9efc607364a82d48f58736dba"
+  integrity sha512-UbBHIa2qeAGgyiNR9RszVF7bUHEdgS4JAUNT8SiqrAN6YJVxlOxeLr5pBzb5kan302dejJ9nla4RyKcR1XT6XA==
+  dependencies:
+    "@babel/helper-function-name" "^7.1.0"
+    "@babel/helper-member-expression-to-functions" "^7.0.0"
+    "@babel/helper-optimise-call-expression" "^7.0.0"
+    "@babel/helper-plugin-utils" "^7.0.0"
+    "@babel/helper-replace-supers" "^7.4.4"
+    "@babel/helper-split-export-declaration" "^7.4.4"
+
 "@babel/helper-define-map@^7.1.0":
   version "7.1.0"
   resolved "https://registry.yarnpkg.com/@babel/helper-define-map/-/helper-define-map-7.1.0.tgz#3b74caec329b3c80c116290887c0dd9ae468c20c"
@@ -201,6 +224,16 @@
     "@babel/traverse" "^7.2.3"
     "@babel/types" "^7.0.0"
 
+"@babel/helper-replace-supers@^7.4.4":
+  version "7.4.4"
+  resolved "https://registry.yarnpkg.com/@babel/helper-replace-supers/-/helper-replace-supers-7.4.4.tgz#aee41783ebe4f2d3ab3ae775e1cc6f1a90cefa27"
+  integrity sha512-04xGEnd+s01nY1l15EuMS1rfKktNF+1CkKmHoErDppjAAZL+IUBZpzT748x262HF7fibaQPhbvWUl5HeSt1EXg==
+  dependencies:
+    "@babel/helper-member-expression-to-functions" "^7.0.0"
+    "@babel/helper-optimise-call-expression" "^7.0.0"
+    "@babel/traverse" "^7.4.4"
+    "@babel/types" "^7.4.4"
+
 "@babel/helper-simple-access@^7.1.0":
   version "7.1.0"
   resolved "https://registry.yarnpkg.com/@babel/helper-simple-access/-/helper-simple-access-7.1.0.tgz#65eeb954c8c245beaa4e859da6188f39d71e585c"
@@ -216,6 +249,13 @@
   dependencies:
     "@babel/types" "^7.0.0"
 
+"@babel/helper-split-export-declaration@^7.4.4":
+  version "7.4.4"
+  resolved "https://registry.yarnpkg.com/@babel/helper-split-export-declaration/-/helper-split-export-declaration-7.4.4.tgz#ff94894a340be78f53f06af038b205c49d993677"
+  integrity sha512-Ro/XkzLf3JFITkW6b+hNxzZ1n5OQ80NvIUdmHspih1XAhtN3vPTuUFT4eQnela+2MaZ5ulH+iyP513KJrxbN7Q==
+  dependencies:
+    "@babel/types" "^7.4.4"
+
 "@babel/helper-wrap-function@^7.1.0":
   version "7.2.0"
   resolved "https://registry.yarnpkg.com/@babel/helper-wrap-function/-/helper-wrap-function-7.2.0.tgz#c4e0012445769e2815b55296ead43a958549f6fa"
@@ -254,6 +294,11 @@
   resolved "https://registry.yarnpkg.com/@babel/parser/-/parser-7.3.4.tgz#a43357e4bbf4b92a437fb9e465c192848287f27c"
   integrity sha512-tXZCqWtlOOP4wgCp6RjRvLmfuhnqTLy9VHwRochJBCP2nDm27JnnuFEnXFASVyQNHk36jD1tAammsCEEqgscIQ==
 
+"@babel/parser@^7.4.4":
+  version "7.4.4"
+  resolved "https://registry.yarnpkg.com/@babel/parser/-/parser-7.4.4.tgz#5977129431b8fe33471730d255ce8654ae1250b6"
+  integrity sha512-5pCS4mOsL+ANsFZGdvNLybx4wtqAZJ0MJjMHxvzI3bvIsz6sQvzW8XX92EYIkiPtIvcfG3Aj+Ir5VNyjnZhP7w==
+
 "@babel/plugin-proposal-async-generator-functions@^7.2.0":
   version "7.2.0"
   resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-async-generator-functions/-/plugin-proposal-async-generator-functions-7.2.0.tgz#b289b306669dce4ad20b0252889a15768c9d417e"
@@ -263,6 +308,23 @@
     "@babel/helper-remap-async-to-generator" "^7.1.0"
     "@babel/plugin-syntax-async-generators" "^7.2.0"
 
+"@babel/plugin-proposal-class-properties@^7.3.4":
+  version "7.4.4"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-class-properties/-/plugin-proposal-class-properties-7.4.4.tgz#93a6486eed86d53452ab9bab35e368e9461198ce"
+  integrity sha512-WjKTI8g8d5w1Bc9zgwSz2nfrsNQsXcCf9J9cdCvrJV6RF56yztwm4TmJC0MgJ9tvwO9gUA/mcYe89bLdGfiXFg==
+  dependencies:
+    "@babel/helper-create-class-features-plugin" "^7.4.4"
+    "@babel/helper-plugin-utils" "^7.0.0"
+
+"@babel/plugin-proposal-decorators@^7.3.0":
+  version "7.4.4"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-decorators/-/plugin-proposal-decorators-7.4.4.tgz#de9b2a1a8ab0196f378e2a82f10b6e2a36f21cc0"
+  integrity sha512-z7MpQz3XC/iQJWXH9y+MaWcLPNSMY9RQSthrLzak8R8hCj0fuyNk+Dzi9kfNe/JxxlWQ2g7wkABbgWjW36MTcw==
+  dependencies:
+    "@babel/helper-create-class-features-plugin" "^7.4.4"
+    "@babel/helper-plugin-utils" "^7.0.0"
+    "@babel/plugin-syntax-decorators" "^7.2.0"
+
 "@babel/plugin-proposal-json-strings@^7.2.0":
   version "7.2.0"
   resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-json-strings/-/plugin-proposal-json-strings-7.2.0.tgz#568ecc446c6148ae6b267f02551130891e29f317"
@@ -303,6 +365,13 @@
   dependencies:
     "@babel/helper-plugin-utils" "^7.0.0"
 
+"@babel/plugin-syntax-decorators@^7.2.0":
+  version "7.2.0"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-syntax-decorators/-/plugin-syntax-decorators-7.2.0.tgz#c50b1b957dcc69e4b1127b65e1c33eef61570c1b"
+  integrity sha512-38QdqVoXdHUQfTpZo3rQwqQdWtCn5tMv4uV6r2RMfTqNBuv4ZBhz79SfaQWKTVmxHjeFv/DnXVC/+agHCklYWA==
+  dependencies:
+    "@babel/helper-plugin-utils" "^7.0.0"
+
 "@babel/plugin-syntax-json-strings@^7.2.0":
   version "7.2.0"
   resolved "https://registry.yarnpkg.com/@babel/plugin-syntax-json-strings/-/plugin-syntax-json-strings-7.2.0.tgz#72bd13f6ffe1d25938129d2a186b11fd62951470"
@@ -650,6 +719,21 @@
     globals "^11.1.0"
     lodash "^4.17.11"
 
+"@babel/traverse@^7.4.4":
+  version "7.4.4"
+  resolved "https://registry.yarnpkg.com/@babel/traverse/-/traverse-7.4.4.tgz#0776f038f6d78361860b6823887d4f3937133fe8"
+  integrity sha512-Gw6qqkw/e6AGzlyj9KnkabJX7VcubqPtkUQVAwkc0wUMldr3A/hezNB3Rc5eIvId95iSGkGIOe5hh1kMKf951A==
+  dependencies:
+    "@babel/code-frame" "^7.0.0"
+    "@babel/generator" "^7.4.4"
+    "@babel/helper-function-name" "^7.1.0"
+    "@babel/helper-split-export-declaration" "^7.4.4"
+    "@babel/parser" "^7.4.4"
+    "@babel/types" "^7.4.4"
+    debug "^4.1.0"
+    globals "^11.1.0"
+    lodash "^4.17.11"
+
 "@babel/types@^7.0.0", "@babel/types@^7.1.5", "@babel/types@^7.1.6", "@babel/types@^7.2.0", "@babel/types@^7.2.2":
   version "7.2.2"
   resolved "https://registry.yarnpkg.com/@babel/types/-/types-7.2.2.tgz#44e10fc24e33af524488b716cdaee5360ea8ed1e"
@@ -668,6 +752,15 @@
     lodash "^4.17.11"
     to-fast-properties "^2.0.0"
 
+"@babel/types@^7.4.4":
+  version "7.4.4"
+  resolved "https://registry.yarnpkg.com/@babel/types/-/types-7.4.4.tgz#8db9e9a629bb7c29370009b4b779ed93fe57d5f0"
+  integrity sha512-dOllgYdnEFOebhkKCjzSVFqw/PmmB8pH6RGOWkY4GsboQNd47b1fBThBSwlHAq9alF9vc1M3+6oqR47R50L0tQ==
+  dependencies:
+    esutils "^2.0.2"
+    lodash "^4.17.11"
+    to-fast-properties "^2.0.0"
+
 "@ember/jquery@0.5.2":
   version "0.5.2"
   resolved "https://registry.yarnpkg.com/@ember/jquery/-/jquery-0.5.2.tgz#fe312c03ada0022fa092d23f7cd7e2eb0374b53a"
@@ -1691,6 +1784,13 @@ babel-plugin-ember-modules-api-polyfill@^2.7.0:
   dependencies:
     ember-rfc176-data "^0.3.7"
 
+babel-plugin-ember-modules-api-polyfill@^2.8.0:
+  version "2.9.0"
+  resolved "https://registry.yarnpkg.com/babel-plugin-ember-modules-api-polyfill/-/babel-plugin-ember-modules-api-polyfill-2.9.0.tgz#8503e7b4192aeb336b00265e6235258ff6b754aa"
+  integrity sha512-c03h50291phJ2gQxo/aIOvFQE2c6glql1A7uagE3XbPXpKVAJOUxtVDjvWG6UAB6BC5ynsJfMWvY0w4TPRKIHQ==
+  dependencies:
+    ember-rfc176-data "^0.3.9"
+
 babel-plugin-feature-flags@^0.3.1:
   version "0.3.1"
   resolved "https://registry.yarnpkg.com/babel-plugin-feature-flags/-/babel-plugin-feature-flags-0.3.1.tgz#9c827cf9a4eb9a19f725ccb239e85cab02036fc1"
@@ -4360,6 +4460,11 @@ ember-bootstrap@2.6.1:
     rsvp "^4.0.1"
     silent-error "^1.0.1"
 
+ember-cli-babel-plugin-helpers@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/ember-cli-babel-plugin-helpers/-/ember-cli-babel-plugin-helpers-1.1.0.tgz#de3baedd093163b6c2461f95964888c1676325ac"
+  integrity sha512-Zr4my8Xn+CzO0gIuFNXji0eTRml5AxZUTDQz/wsNJ5AJAtyFWCY4QtKdoELNNbiCVGt1lq5yLiwTm4scGKu6xA==
+
 ember-cli-babel@6.18.0, ember-cli-babel@^6.0.0-beta.4, ember-cli-babel@^6.10.0, ember-cli-babel@^6.11.0, ember-cli-babel@^6.12.0, ember-cli-babel@^6.16.0, ember-cli-babel@^6.6.0, ember-cli-babel@^6.8.1, ember-cli-babel@^6.8.2, ember-cli-babel@^6.9.0:
   version "6.18.0"
   resolved "https://registry.yarnpkg.com/ember-cli-babel/-/ember-cli-babel-6.18.0.tgz#3f6435fd275172edeff2b634ee7b29ce74318957"
@@ -4425,6 +4530,33 @@ ember-cli-babel@^7.5.0:
     ensure-posix-path "^1.0.2"
     semver "^5.5.0"
 
+ember-cli-babel@^7.7.3:
+  version "7.7.3"
+  resolved "https://registry.yarnpkg.com/ember-cli-babel/-/ember-cli-babel-7.7.3.tgz#f94709f6727583d18685ca6773a995877b87b8a0"
+  integrity sha512-/LWwyKIoSlZQ7k52P+6agC7AhcOBqPJ5C2u27qXHVVxKvCtg6ahNuRk/KmfZmV4zkuw4EjTZxfJE1PzpFyHkXg==
+  dependencies:
+    "@babel/core" "^7.0.0"
+    "@babel/plugin-proposal-class-properties" "^7.3.4"
+    "@babel/plugin-proposal-decorators" "^7.3.0"
+    "@babel/plugin-transform-modules-amd" "^7.0.0"
+    "@babel/plugin-transform-runtime" "^7.2.0"
+    "@babel/polyfill" "^7.0.0"
+    "@babel/preset-env" "^7.0.0"
+    "@babel/runtime" "^7.2.0"
+    amd-name-resolver "^1.2.1"
+    babel-plugin-debug-macros "^0.3.0"
+    babel-plugin-ember-modules-api-polyfill "^2.8.0"
+    babel-plugin-module-resolver "^3.1.1"
+    broccoli-babel-transpiler "^7.1.2"
+    broccoli-debug "^0.6.4"
+    broccoli-funnel "^2.0.1"
+    broccoli-source "^1.1.0"
+    clone "^2.1.2"
+    ember-cli-babel-plugin-helpers "^1.1.0"
+    ember-cli-version-checker "^2.1.2"
+    ensure-posix-path "^1.0.2"
+    semver "^5.5.0"
+
 ember-cli-bootswatch@2.0.3:
   version "2.0.3"
   resolved "https://registry.yarnpkg.com/ember-cli-bootswatch/-/ember-cli-bootswatch-2.0.3.tgz#49b173f7542fe7279db4737abc8180e7b6f0b7be"
@@ -4891,14 +5023,14 @@ ember-in-element-polyfill@^0.1.2:
     ember-cli-version-checker "^2.1.0"
     ember-wormhole "^0.5.4"
 
-ember-in-viewport@3.3.0:
-  version "3.3.0"
-  resolved "https://registry.yarnpkg.com/ember-in-viewport/-/ember-in-viewport-3.3.0.tgz#718a9df85c1ad7a16c804dc61ce540414cfad710"
-  integrity sha512-m9ejkLrc1XiXwbzSiPOOe8P6lz0MV7NBWf/vc+/7b1iNGucwDCA0Hsv9xZS3S1s3m9KWTCIobT8htZx/dCeTrw==
+ember-in-viewport@3.5.3:
+  version "3.5.3"
+  resolved "https://registry.yarnpkg.com/ember-in-viewport/-/ember-in-viewport-3.5.3.tgz#c5885158295499220dd8c72b53f8617508ee40a4"
+  integrity sha512-uMXLB1TjAfzAMN+v/LZ0rfn1V55u7kH8RyFKgnVmXrWxvgQH9LsBn7jpINoq72aG18AhERJQ9CksCa+x4bp12g==
   dependencies:
     ember-auto-import "^1.2.15"
-    ember-cli-babel "^7.1.2"
-    intersection-observer-admin "0.1.0"
+    ember-cli-babel "^7.7.3"
+    intersection-observer-admin "0.2.0"
     raf-pool "0.1.0"
 
 ember-inflector@^3.0.0:
@@ -4998,6 +5130,11 @@ ember-rfc176-data@^0.3.7:
   resolved "https://registry.yarnpkg.com/ember-rfc176-data/-/ember-rfc176-data-0.3.7.tgz#ecff7d74987d09296d3703343fed934515a4be33"
   integrity sha512-AbTlD+q7sfyrD4diZqE7r9Y9/Je+HntVn7TlpHAe+nP5BNXxUXJIfDs5w5e3MxPcMs6Dz/yY90YfW8h1oKEvGg==
 
+ember-rfc176-data@^0.3.9:
+  version "0.3.9"
+  resolved "https://registry.yarnpkg.com/ember-rfc176-data/-/ember-rfc176-data-0.3.9.tgz#44b6e051ead6c044ea87bd551f402e2cf89a7e3d"
+  integrity sha512-EiTo5YQS0Duy0xp9gCP8ekzv9vxirNi7MnIB4zWs+thtWp/mEKgf5mkiiLU2+oo8C5DuavVHhoPQDmyxh8Io1Q==
+
 ember-router-generator@^1.2.3:
   version "1.2.3"
   resolved "https://registry.yarnpkg.com/ember-router-generator/-/ember-router-generator-1.2.3.tgz#8ed2ca86ff323363120fc14278191e9e8f1315ee"
@@ -7188,10 +7325,10 @@ inquirer@^6.2.2:
     strip-ansi "^5.0.0"
     through "^2.3.6"
 
-intersection-observer-admin@0.1.0:
-  version "0.1.0"
-  resolved "https://registry.yarnpkg.com/intersection-observer-admin/-/intersection-observer-admin-0.1.0.tgz#2e7cc3806302a603ea1d3d7975e2b25f205141ee"
-  integrity sha512-5ZG7AVBojgngckA4B7rzr6S751yxIjiolmj08y5KBgu1Xe8fAmO2hWonYzbi6jwXNtdqAMld8jAZGxZS2KDjKQ==
+intersection-observer-admin@0.2.0:
+  version "0.2.0"
+  resolved "https://registry.yarnpkg.com/intersection-observer-admin/-/intersection-observer-admin-0.2.0.tgz#39773b17b73f3c52b3b2c442ee8ef4fbc676c407"
+  integrity sha512-bEnD6tJEu13Hh79bcDpg7VFw5xLqHabp7+UmwIp+Mxl6t3DBmaiwG2VodttSXgRYfP962ixBeodneE9U/hy32g==
 
 into-stream@^3.1.0:
   version "3.1.0"