diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index e32832be..66f44afc 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -242,8 +242,8 @@ importers:
         specifier: ^4.1.0
         version: 4.1.0(ember-source@5.3.0)
       ember-page-title:
-        specifier: ^8.1.0
-        version: 8.1.0(ember-source@5.3.0)
+        specifier: ^8.2.1
+        version: 8.2.1(ember-source@5.3.0)
       ember-qunit:
         specifier: ^8.0.2
         version: 8.0.2(@ember/test-helpers@3.2.1)(@glint/template@1.2.1)(ember-source@5.3.0)(qunit@2.20.0)
@@ -7793,13 +7793,14 @@ packages:
       - supports-color
     dev: true
 
-  /ember-page-title@8.1.0(ember-source@5.3.0):
-    resolution: {integrity: sha512-c5V4sWu+OSRhN6Fsa0M71PkdNpKkV7Lg9FwqogK3iE++R43G6ySLV/Ls0cE5K+IWS1om7XSPqcUvkfhrfZ3y0g==}
+  /ember-page-title@8.2.1(ember-source@5.3.0):
+    resolution: {integrity: sha512-B2c/mQgzJHcr88rSEroLmUUAX3agYCowOf7mPtZei6wYusWDXoDMLT8Wls75iDwaNOKsPa2cF/KxPJGBuKiOSQ==}
     engines: {node: 16.* || >= 18}
     peerDependencies:
       ember-source: '>= 3.28.0'
     dependencies:
       '@embroider/addon-shim': 1.8.7
+      '@simple-dom/document': 1.4.0
       ember-source: 5.3.0(@babel/core@7.23.9)(@glimmer/component@1.1.2)(@glint/template@1.2.1)(rsvp@4.8.5)(webpack@5.90.1)
     transitivePeerDependencies:
       - supports-color
diff --git a/test-app/package.json b/test-app/package.json
index dda4c83b..73841558 100644
--- a/test-app/package.json
+++ b/test-app/package.json
@@ -64,7 +64,7 @@
     "ember-fetch": "^8.1.2",
     "ember-load-initializers": "^2.1.2",
     "ember-modifier": "^4.1.0",
-    "ember-page-title": "^8.1.0",
+    "ember-page-title": "^8.2.1",
     "ember-qunit": "^8.0.2",
     "ember-resolver": "^11.0.1",
     "ember-source": "~5.3.0",