diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 8dc09d99..f8912e46 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -208,8 +208,8 @@ importers:
         specifier: ^2.6.3
         version: 2.8.1(@glint/template@1.4.0)(webpack@5.95.0)
       ember-cli:
-        specifier: ~5.4.0
-        version: 5.4.2(handlebars@4.7.8)(underscore@1.13.7)
+        specifier: ~5.12.0
+        version: 5.12.0(handlebars@4.7.8)(underscore@1.13.7)
       ember-cli-app-version:
         specifier: ^6.0.1
         version: 6.0.1(ember-source@5.11.1(@glimmer/component@1.1.2(@babel/core@7.25.7))(@glint/template@1.4.0)(rsvp@4.8.5)(webpack@5.95.0))
@@ -221,7 +221,7 @@ importers:
         version: 3.0.0
       ember-cli-dependency-checker:
         specifier: ^3.3.2
-        version: 3.3.2(ember-cli@5.4.2(handlebars@4.7.8)(underscore@1.13.7))
+        version: 3.3.2(ember-cli@5.12.0(handlebars@4.7.8)(underscore@1.13.7))
       ember-cli-htmlbars:
         specifier: ^6.3.0
         version: 6.3.0
@@ -385,8 +385,8 @@ importers:
         specifier: ^2.6.3
         version: 2.8.1(@glint/template@1.4.0)(webpack@5.95.0)
       ember-cli:
-        specifier: ~5.4.0
-        version: 5.4.2(handlebars@4.7.8)(underscore@1.13.7)
+        specifier: ~5.12.0
+        version: 5.12.0(handlebars@4.7.8)(underscore@1.13.7)
       ember-cli-app-version:
         specifier: ^6.0.1
         version: 6.0.1(ember-source@5.11.1(@glimmer/component@1.1.2(@babel/core@7.25.7))(@glint/template@1.4.0)(rsvp@4.8.5)(webpack@5.95.0))
@@ -398,7 +398,7 @@ importers:
         version: 3.0.0
       ember-cli-dependency-checker:
         specifier: ^3.3.2
-        version: 3.3.2(ember-cli@5.4.2(handlebars@4.7.8)(underscore@1.13.7))
+        version: 3.3.2(ember-cli@5.12.0(handlebars@4.7.8)(underscore@1.13.7))
       ember-cli-htmlbars:
         specifier: ^6.3.0
         version: 6.3.0
@@ -3443,8 +3443,8 @@ packages:
     resolution: {integrity: sha512-rk7GY+FmLn/2e22HsZs0Ycrz8HQ1W3Fv+2TFOuEFW9optnDXDgkntPBIl6gact/LHsfBM5RKbM3dHsIIeLgl0Q==}
     engines: {node: 10.* || >= 12.*}
 
-  ember-cli@5.4.2:
-    resolution: {integrity: sha512-EeeiTHo+rtat+YRv01q64Wmo+MRZETcZ7bPKBU14h9gSqSU0bHj57KGKsaQ+av8sOUojwWSqp+GQfOtwuWDgYA==}
+  ember-cli@5.12.0:
+    resolution: {integrity: sha512-48ZOoUZTXsav37RIYY9gyCR35yo64mhzfv5YHtTbsZZwLv/HjvTz27X0CTvkfVQaOWHYDFekxdp9ppaKz84VNA==}
     engines: {node: '>= 18'}
     hasBin: true
 
@@ -8954,10 +8954,10 @@ snapshots:
 
   '@glimmer/compiler@0.92.0':
     dependencies:
-      '@glimmer/interfaces': 0.92.0
+      '@glimmer/interfaces': 0.92.3
       '@glimmer/syntax': 0.92.0
-      '@glimmer/util': 0.92.0
-      '@glimmer/vm': 0.92.0
+      '@glimmer/util': 0.92.3
+      '@glimmer/vm': 0.92.3
       '@glimmer/wire-format': 0.92.3
 
   '@glimmer/component@1.1.2(@babel/core@7.25.7)':
@@ -8989,9 +8989,9 @@ snapshots:
   '@glimmer/destroyable@0.92.0':
     dependencies:
       '@glimmer/env': 0.1.7
-      '@glimmer/global-context': 0.92.0
-      '@glimmer/interfaces': 0.92.0
-      '@glimmer/util': 0.92.0
+      '@glimmer/global-context': 0.92.3
+      '@glimmer/interfaces': 0.92.3
+      '@glimmer/util': 0.92.3
 
   '@glimmer/di@0.1.11': {}
 
@@ -9027,18 +9027,18 @@ snapshots:
       '@glimmer/debug': 0.92.4
       '@glimmer/destroyable': 0.92.0
       '@glimmer/env': 0.1.7
-      '@glimmer/global-context': 0.92.0
-      '@glimmer/interfaces': 0.92.0
+      '@glimmer/global-context': 0.92.3
+      '@glimmer/interfaces': 0.92.3
       '@glimmer/reference': 0.92.0
-      '@glimmer/util': 0.92.0
+      '@glimmer/util': 0.92.3
       '@glimmer/validator': 0.92.3
-      '@glimmer/vm': 0.92.0
+      '@glimmer/vm': 0.92.3
 
   '@glimmer/node@0.92.0':
     dependencies:
-      '@glimmer/interfaces': 0.92.0
+      '@glimmer/interfaces': 0.92.3
       '@glimmer/runtime': 0.92.0
-      '@glimmer/util': 0.92.0
+      '@glimmer/util': 0.92.3
       '@simple-dom/document': 1.4.0
 
   '@glimmer/opcode-compiler@0.92.0':
@@ -9046,27 +9046,27 @@ snapshots:
       '@glimmer/debug': 0.92.4
       '@glimmer/encoder': 0.92.3
       '@glimmer/env': 0.1.7
-      '@glimmer/global-context': 0.92.0
-      '@glimmer/interfaces': 0.92.0
+      '@glimmer/global-context': 0.92.3
+      '@glimmer/interfaces': 0.92.3
       '@glimmer/manager': 0.92.0
       '@glimmer/reference': 0.92.0
-      '@glimmer/util': 0.92.0
-      '@glimmer/vm': 0.92.0
+      '@glimmer/util': 0.92.3
+      '@glimmer/vm': 0.92.3
       '@glimmer/wire-format': 0.92.3
 
   '@glimmer/owner@0.92.0':
     dependencies:
-      '@glimmer/util': 0.92.0
+      '@glimmer/util': 0.92.3
 
   '@glimmer/program@0.92.0':
     dependencies:
       '@glimmer/encoder': 0.92.3
       '@glimmer/env': 0.1.7
-      '@glimmer/interfaces': 0.92.0
+      '@glimmer/interfaces': 0.92.3
       '@glimmer/manager': 0.92.0
       '@glimmer/opcode-compiler': 0.92.0
-      '@glimmer/util': 0.92.0
-      '@glimmer/vm': 0.92.0
+      '@glimmer/util': 0.92.3
+      '@glimmer/vm': 0.92.3
       '@glimmer/wire-format': 0.92.3
 
   '@glimmer/reference@0.84.3':
@@ -9080,24 +9080,24 @@ snapshots:
   '@glimmer/reference@0.92.0':
     dependencies:
       '@glimmer/env': 0.1.7
-      '@glimmer/global-context': 0.92.0
-      '@glimmer/interfaces': 0.92.0
-      '@glimmer/util': 0.92.0
+      '@glimmer/global-context': 0.92.3
+      '@glimmer/interfaces': 0.92.3
+      '@glimmer/util': 0.92.3
       '@glimmer/validator': 0.92.3
 
   '@glimmer/runtime@0.92.0':
     dependencies:
       '@glimmer/destroyable': 0.92.0
       '@glimmer/env': 0.1.7
-      '@glimmer/global-context': 0.92.0
-      '@glimmer/interfaces': 0.92.0
+      '@glimmer/global-context': 0.92.3
+      '@glimmer/interfaces': 0.92.3
       '@glimmer/manager': 0.92.0
       '@glimmer/owner': 0.92.0
       '@glimmer/program': 0.92.0
       '@glimmer/reference': 0.92.0
-      '@glimmer/util': 0.92.0
+      '@glimmer/util': 0.92.3
       '@glimmer/validator': 0.92.3
-      '@glimmer/vm': 0.92.0
+      '@glimmer/vm': 0.92.3
       '@glimmer/wire-format': 0.92.3
 
   '@glimmer/syntax@0.84.3':
@@ -9109,8 +9109,8 @@ snapshots:
 
   '@glimmer/syntax@0.92.0':
     dependencies:
-      '@glimmer/interfaces': 0.92.0
-      '@glimmer/util': 0.92.0
+      '@glimmer/interfaces': 0.92.3
+      '@glimmer/util': 0.92.3
       '@glimmer/wire-format': 0.92.3
       '@handlebars/parser': 2.0.0
       simple-html-tokenizer: 0.5.11
@@ -9131,7 +9131,7 @@ snapshots:
   '@glimmer/util@0.92.0':
     dependencies:
       '@glimmer/env': 0.1.7
-      '@glimmer/interfaces': 0.92.0
+      '@glimmer/interfaces': 0.92.3
 
   '@glimmer/util@0.92.3':
     dependencies:
@@ -9153,8 +9153,8 @@ snapshots:
 
   '@glimmer/vm@0.92.0':
     dependencies:
-      '@glimmer/interfaces': 0.92.0
-      '@glimmer/util': 0.92.0
+      '@glimmer/interfaces': 0.92.3
+      '@glimmer/util': 0.92.3
 
   '@glimmer/vm@0.92.3':
     dependencies:
@@ -11387,10 +11387,10 @@ snapshots:
     transitivePeerDependencies:
       - supports-color
 
-  ember-cli-dependency-checker@3.3.2(ember-cli@5.4.2(handlebars@4.7.8)(underscore@1.13.7)):
+  ember-cli-dependency-checker@3.3.2(ember-cli@5.12.0(handlebars@4.7.8)(underscore@1.13.7)):
     dependencies:
       chalk: 2.4.2
-      ember-cli: 5.4.2(handlebars@4.7.8)(underscore@1.13.7)
+      ember-cli: 5.12.0(handlebars@4.7.8)(underscore@1.13.7)
       find-yarn-workspace-root: 1.2.1
       is-git-url: 1.0.0
       resolve: 1.22.8
@@ -11607,7 +11607,7 @@ snapshots:
     transitivePeerDependencies:
       - supports-color
 
-  ember-cli@5.4.2(handlebars@4.7.8)(underscore@1.13.7):
+  ember-cli@5.12.0(handlebars@4.7.8)(underscore@1.13.7):
     dependencies:
       '@pnpm/find-workspace-dir': 6.0.3
       broccoli: 3.5.2
@@ -11631,6 +11631,7 @@ snapshots:
       compression: 1.7.4
       configstore: 5.0.1
       console-ui: 3.1.2
+      content-tag: 2.0.2
       core-object: 3.1.5
       dag-map: 2.0.2
       diff: 5.2.0
diff --git a/test-app/package.json b/test-app/package.json
index 037bc26a..21fd31ba 100644
--- a/test-app/package.json
+++ b/test-app/package.json
@@ -46,7 +46,7 @@
     "broccoli-asset-rev": "^3.0.0",
     "concurrently": "^8.2.2",
     "ember-auto-import": "^2.6.3",
-    "ember-cli": "~5.4.0",
+    "ember-cli": "~5.12.0",
     "ember-cli-app-version": "^6.0.1",
     "ember-cli-babel": "^8.2.0",
     "ember-cli-clean-css": "^3.0.0",
diff --git a/website/package.json b/website/package.json
index b68e2a7d..3ea4c547 100644
--- a/website/package.json
+++ b/website/package.json
@@ -40,7 +40,7 @@
     "concurrently": "^8.2.2",
     "date-fns": "^3.0.0",
     "ember-auto-import": "^2.6.3",
-    "ember-cli": "~5.4.0",
+    "ember-cli": "~5.12.0",
     "ember-cli-app-version": "^6.0.1",
     "ember-cli-babel": "^8.2.0",
     "ember-cli-clean-css": "^3.0.0",