diff --git a/addon/services/page-title-list.js b/addon/services/page-title-list.js
index aec69731..3432d1a9 100644
--- a/addon/services/page-title-list.js
+++ b/addon/services/page-title-list.js
@@ -3,7 +3,6 @@ import { getOwner } from '@ember/application';
 import { scheduleOnce } from '@ember/runloop';
 import Service, { inject as service } from '@ember/service';
 import { set, computed } from '@ember/object';
-import { copy } from 'ember-copy';
 import { capitalize } from '@ember/string';
 import { isPresent } from '@ember/utils';
 
@@ -99,7 +98,7 @@ export default class PageTitleListService extends Service {
     let tokenForId = this.tokens.findBy('id', token.id);
     if (tokenForId) {
       let index = this.tokens.indexOf(tokenForId);
-      let tokens = copy(this.tokens);
+      let tokens = [...this.tokens];
       let previous = tokenForId.previous;
       token.previous = previous;
       token.next = tokenForId.next;
@@ -120,7 +119,7 @@ export default class PageTitleListService extends Service {
 
     this.applyTokenDefaults(token);
 
-    let tokens = copy(this.tokens);
+    let tokens = [...this.tokens];
     tokens.push(token);
     set(this, 'tokens', A(tokens));
   }
@@ -138,7 +137,7 @@ export default class PageTitleListService extends Service {
 
     token.previous = token.next = null;
 
-    let tokens = A(copy(this.tokens));
+    let tokens = A([...this.tokens]);
     tokens.removeObject(token);
     set(this, 'tokens', A(tokens));
   }
@@ -178,7 +177,7 @@ export default class PageTitleListService extends Service {
         }
         let lastToken = group[0];
         if (lastToken) {
-          token = copy(token);
+          token = Object.assign({}, token);
           token.separator = lastToken.separator;
         }
         group.unshift(token);
diff --git a/package.json b/package.json
index c0ee1a0a..4a4f9bce 100644
--- a/package.json
+++ b/package.json
@@ -29,8 +29,7 @@
     "release": "standard-version"
   },
   "dependencies": {
-    "ember-cli-babel": "^7.22.1",
-    "ember-copy": "^1.0.0"
+    "ember-cli-babel": "^7.22.1"
   },
   "devDependencies": {
     "@ember/optional-features": "^2.0.0",
@@ -59,10 +58,10 @@
     "ember-resolver": "^8.0.2",
     "ember-source": "~3.21.1",
     "ember-source-channel-url": "^3.0.0",
-    "ember-template-lint": "^2.12.0",
+    "ember-template-lint": "^2.13.0",
     "ember-truth-helpers": "^2.1.0",
     "ember-try": "^1.4.0",
-    "eslint": "^7.9.0",
+    "eslint": "^7.10.0",
     "eslint-plugin-ember": "^9.0.0",
     "eslint-plugin-node": "^11.1.0",
     "loader.js": "^4.7.0",
diff --git a/yarn.lock b/yarn.lock
index b8949f99..4783e0e8 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -5924,10 +5924,10 @@ ember-source@~3.21.1:
     semver "^6.1.1"
     silent-error "^1.1.1"
 
-ember-template-lint@^2.12.0:
-  version "2.12.1"
-  resolved "https://registry.yarnpkg.com/ember-template-lint/-/ember-template-lint-2.12.1.tgz#718b6141b2001ca6e74764f7f59d8554a86473f4"
-  integrity sha512-LbnDoHRXGPPNPACvSAatkZVPY9jBFlobdf7I7kdvSD8/W9c2/XDDejAVhHnbWFhPn+U12bA7Lgt505Vq6D7hLw==
+ember-template-lint@^2.13.0:
+  version "2.13.0"
+  resolved "https://registry.yarnpkg.com/ember-template-lint/-/ember-template-lint-2.13.0.tgz#560b5a8a25db56a16ffee1604efc9d79e8f54536"
+  integrity sha512-68VgGaocC++BA4D90mKZMPoUBA2kRTEXcHMoWHnXqtRzXP5S35y2m9+nEUHdX9YWjGJTFHW5Tga58gvrvdl3wQ==
   dependencies:
     chalk "^4.0.0"
     ember-template-recast "^4.1.5"
@@ -6268,7 +6268,7 @@ eslint-scope@^4.0.0:
     esrecurse "^4.1.0"
     estraverse "^4.1.1"
 
-eslint-scope@^5.1.0:
+eslint-scope@^5.1.1:
   version "5.1.1"
   resolved "https://registry.yarnpkg.com/eslint-scope/-/eslint-scope-5.1.1.tgz#e786e59a66cb92b3f6c1fb0d508aab174848f48c"
   integrity sha512-2NxwbF/hZ0KpepYN0cNbo+FN6XoK7GaHlQhgx/hIZl6Va0bF45RQOOwhLIy8lQDbuCiadSLCBnH2CFYquit5bw==
@@ -6288,10 +6288,10 @@ eslint-visitor-keys@^1.0.0, eslint-visitor-keys@^1.1.0, eslint-visitor-keys@^1.3
   resolved "https://registry.yarnpkg.com/eslint-visitor-keys/-/eslint-visitor-keys-1.3.0.tgz#30ebd1ef7c2fdff01c3a4f151044af25fab0523e"
   integrity sha512-6J72N8UNa462wa/KFODt/PJ3IU60SDpC3QXC1Hjc1BXXpfL2C9R5+AU7jhe0F6GREqVMh4Juu+NY7xn+6dipUQ==
 
-eslint@^7.9.0:
-  version "7.9.0"
-  resolved "https://registry.yarnpkg.com/eslint/-/eslint-7.9.0.tgz#522aeccc5c3a19017cf0cb46ebfd660a79acf337"
-  integrity sha512-V6QyhX21+uXp4T+3nrNfI3hQNBDa/P8ga7LoQOenwrlEFXrEnUEE+ok1dMtaS3b6rmLXhT1TkTIsG75HMLbknA==
+eslint@^7.10.0:
+  version "7.10.0"
+  resolved "https://registry.yarnpkg.com/eslint/-/eslint-7.10.0.tgz#494edb3e4750fb791133ca379e786a8f648c72b9"
+  integrity sha512-BDVffmqWl7JJXqCjAK6lWtcQThZB/aP1HXSH1JKwGwv0LQEdvpR7qzNrUT487RM39B5goWuboFad5ovMBmD8yA==
   dependencies:
     "@babel/code-frame" "^7.0.0"
     "@eslint/eslintrc" "^0.1.3"
@@ -6301,7 +6301,7 @@ eslint@^7.9.0:
     debug "^4.0.1"
     doctrine "^3.0.0"
     enquirer "^2.3.5"
-    eslint-scope "^5.1.0"
+    eslint-scope "^5.1.1"
     eslint-utils "^2.1.0"
     eslint-visitor-keys "^1.3.0"
     espree "^7.3.0"