diff --git a/package.json b/package.json
index 28d12e5..10431ee 100644
--- a/package.json
+++ b/package.json
@@ -51,7 +51,7 @@
     "ember-cli-terser": "~4.0.2",
     "ember-disable-prototype-extensions": "~1.1.3",
     "ember-load-initializers": "~2.1.2",
-    "ember-page-title": "~7.0.0",
+    "ember-page-title": "~9.0.1",
     "ember-prism": "~0.13.0",
     "ember-qunit": "~5.1.5",
     "ember-resolver": "~9.0.1",
diff --git a/yarn.lock b/yarn.lock
index b8898f3..0c0e8d0 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1509,6 +1509,16 @@
     ember-cli-version-checker "^5.1.2"
     semver "^7.3.5"
 
+"@embroider/addon-shim@^1.8.7":
+  version "1.9.0"
+  resolved "https://registry.yarnpkg.com/@embroider/addon-shim/-/addon-shim-1.9.0.tgz#f729cfaf0f2d5f3c178808a546251743335c62f4"
+  integrity sha512-fMzayl/licUL8VRAy4qXROKcYvHwUbV8aTh4m97L5/MRuVpxbcAy92DGGTqx5OBKCSQN3gMg+sUKeE6AviefpQ==
+  dependencies:
+    "@embroider/shared-internals" "^2.8.1"
+    broccoli-funnel "^3.0.8"
+    common-ancestor-path "^1.0.1"
+    semver "^7.3.8"
+
 "@embroider/macros@^1.0.0", "@embroider/macros@^1.10.0", "@embroider/macros@^1.9.0":
   version "1.10.0"
   resolved "https://registry.yarnpkg.com/@embroider/macros/-/macros-1.10.0.tgz#af3844d5db48f001b85cfb096c76727c72ad6c1e"
@@ -1551,6 +1561,24 @@
     semver "^7.3.5"
     typescript-memoize "^1.0.1"
 
+"@embroider/shared-internals@^2.8.1":
+  version "2.9.0"
+  resolved "https://registry.yarnpkg.com/@embroider/shared-internals/-/shared-internals-2.9.0.tgz#5d945b92e08db163de60d82f7c388e2b7260f0cc"
+  integrity sha512-8untWEvGy6av/oYibqZWMz/yB+LHsKxEOoUZiLvcpFwWj2Sipc0DcXeTJQZQZ++otNkLCWyDrDhOLrOkgjOPSg==
+  dependencies:
+    babel-import-util "^2.0.0"
+    debug "^4.3.2"
+    ember-rfc176-data "^0.3.17"
+    fs-extra "^9.1.0"
+    is-subdir "^1.2.0"
+    js-string-escape "^1.0.1"
+    lodash "^4.17.21"
+    minimatch "^3.0.4"
+    pkg-entry-points "^1.1.0"
+    resolve-package-path "^4.0.1"
+    semver "^7.3.5"
+    typescript-memoize "^1.0.1"
+
 "@embroider/test-setup@~1.8.3":
   version "1.8.3"
   resolved "https://registry.yarnpkg.com/@embroider/test-setup/-/test-setup-1.8.3.tgz#445b9fe5a363ce50367ac2114750597f98d7806d"
@@ -4545,6 +4573,11 @@ commander@^8.3.0:
   resolved "https://registry.yarnpkg.com/commander/-/commander-8.3.0.tgz#4837ea1b2da67b9c616a67afbb0fafee567bca66"
   integrity sha512-OkTL9umf+He2DZkUq8f8J9of7yL6RJKI24dVITBmNfZBmri9zYZQrKkuXiKhyfPSu8tUhnVBB1iKXevvnlR4Ww==
 
+common-ancestor-path@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/common-ancestor-path/-/common-ancestor-path-1.0.1.tgz#4f7d2d1394d91b7abdf51871c62f71eadb0182a7"
+  integrity sha512-L3sHRo1pXXEqX8VU28kfgUY+YGsk09hPqZiZmLacNib6XNTCM8ubYeT7ryXQw8asB1sKgcU5lkB7ONug08aB8w==
+
 common-tags@^1.8.0:
   version "1.8.0"
   resolved "https://registry.yarnpkg.com/common-tags/-/common-tags-1.8.0.tgz#8e3153e542d4a39e9b10554434afaaf98956a937"
@@ -5599,12 +5632,13 @@ ember-modifier-manager-polyfill@^1.2.0:
     ember-cli-version-checker "^2.1.2"
     ember-compatibility-helpers "^1.2.0"
 
-ember-page-title@~7.0.0:
-  version "7.0.0"
-  resolved "https://registry.yarnpkg.com/ember-page-title/-/ember-page-title-7.0.0.tgz#11bebd4901d80757646c9006954a13e4fc187421"
-  integrity sha512-oq6+HYbeVD/BnxIO5AkP4gWlsatdgW2HFO10F8+XQiJZrwa7cC7Wm54JNGqQkavkDQTgNSiy1Fe2NILJ14MmAg==
+ember-page-title@~9.0.1:
+  version "9.0.1"
+  resolved "https://registry.yarnpkg.com/ember-page-title/-/ember-page-title-9.0.1.tgz#b8c20db8e1bf7fe746e5eedf944836bedc9ab1a7"
+  integrity sha512-qo3NHJRrCZpYyGr+KkDAQDZ9IFJOFLW9qEKYer2tetSpaL9B2PQmh4KY0XdZY25jxFg8GZ1+DChDSImIbh5yzA==
   dependencies:
-    ember-cli-babel "^7.26.6"
+    "@embroider/addon-shim" "^1.8.7"
+    "@simple-dom/document" "^1.4.0"
 
 ember-prism@~0.13.0:
   version "0.13.0"