diff --git a/docs/package.json b/docs/package.json
index ac418f545..7f09ee998 100644
--- a/docs/package.json
+++ b/docs/package.json
@@ -56,7 +56,7 @@
     "@types/ember__object": "^4.0.12",
     "@types/ember__owner": "^4.0.9",
     "@types/ember__polyfills": "^4.0.6",
-    "@types/ember__routing": "^4.0.20",
+    "@types/ember__routing": "^4.0.21",
     "@types/ember__runloop": "^4.0.9",
     "@types/ember__service": "^4.0.9",
     "@types/ember__string": "^3.16.3",
diff --git a/ember-power-select/package.json b/ember-power-select/package.json
index ca98ef349..b366d86c5 100644
--- a/ember-power-select/package.json
+++ b/ember-power-select/package.json
@@ -110,7 +110,7 @@
     "@types/ember__object": "^4.0.12",
     "@types/ember__owner": "^4.0.9",
     "@types/ember__polyfills": "^4.0.6",
-    "@types/ember__routing": "^4.0.20",
+    "@types/ember__routing": "^4.0.21",
     "@types/ember__runloop": "^4.0.9",
     "@types/ember__service": "^4.0.9",
     "@types/ember__string": "^3.16.3",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 3f9f51399..4a1b6ab61 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -121,8 +121,8 @@ importers:
         specifier: ^4.0.6
         version: 4.0.6
       '@types/ember__routing':
-        specifier: ^4.0.20
-        version: 4.0.20(@babel/core@7.23.7)
+        specifier: ^4.0.21
+        version: 4.0.21(@babel/core@7.23.7)
       '@types/ember__runloop':
         specifier: ^4.0.9
         version: 4.0.9(@babel/core@7.23.7)
@@ -360,10 +360,10 @@ importers:
         version: 1.2.2(typescript@5.3.3)
       '@glint/environment-ember-loose':
         specifier: ^1.2.2
-        version: 1.2.2(@glimmer/component@1.1.2)(@glint/template@1.2.2)(@types/ember__array@4.0.10)(@types/ember__component@4.0.22)(@types/ember__controller@4.0.12)(@types/ember__object@4.0.12)(@types/ember__routing@4.0.20)
+        version: 1.2.2(@glimmer/component@1.1.2)(@glint/template@1.2.2)(@types/ember__array@4.0.10)(@types/ember__component@4.0.22)(@types/ember__controller@4.0.12)(@types/ember__object@4.0.12)(@types/ember__routing@4.0.21)
       '@glint/environment-ember-template-imports':
         specifier: ^1.2.2
-        version: 1.2.2(@glint/environment-ember-loose@1.2.2)(@glint/template@1.2.2)(@types/ember__component@4.0.22)(@types/ember__helper@4.0.7)(@types/ember__modifier@4.0.9)(@types/ember__routing@4.0.20)
+        version: 1.2.2(@glint/environment-ember-loose@1.2.2)(@glint/template@1.2.2)(@types/ember__component@4.0.22)(@types/ember__helper@4.0.7)(@types/ember__modifier@4.0.9)(@types/ember__routing@4.0.21)
       '@glint/template':
         specifier: ^1.2.2
         version: 1.2.2
@@ -413,8 +413,8 @@ importers:
         specifier: ^4.0.6
         version: 4.0.6
       '@types/ember__routing':
-        specifier: ^4.0.20
-        version: 4.0.20(@babel/core@7.23.7)
+        specifier: ^4.0.21
+        version: 4.0.21(@babel/core@7.23.7)
       '@types/ember__runloop':
         specifier: ^4.0.9
         version: 4.0.9(@babel/core@7.23.7)
@@ -585,8 +585,8 @@ importers:
         specifier: ^4.0.6
         version: 4.0.6
       '@types/ember__routing':
-        specifier: ^4.0.20
-        version: 4.0.20(@babel/core@7.23.7)
+        specifier: ^4.0.21
+        version: 4.0.21(@babel/core@7.23.7)
       '@types/ember__runloop':
         specifier: ^4.0.9
         version: 4.0.9(@babel/core@7.23.7)
@@ -2571,7 +2571,7 @@ packages:
         optional: true
     dependencies:
       '@embroider/macros': 1.13.4(@glint/template@1.2.2)
-      '@glint/environment-ember-loose': 1.2.2(@glimmer/component@1.1.2)(@glint/template@1.2.2)(@types/ember__array@4.0.10)(@types/ember__component@4.0.22)(@types/ember__controller@4.0.12)(@types/ember__object@4.0.12)(@types/ember__routing@4.0.20)
+      '@glint/environment-ember-loose': 1.2.2(@glimmer/component@1.1.2)(@glint/template@1.2.2)(@types/ember__array@4.0.10)(@types/ember__component@4.0.22)(@types/ember__controller@4.0.12)(@types/ember__object@4.0.12)(@types/ember__routing@4.0.21)
       '@glint/template': 1.2.2
       broccoli-funnel: 3.0.8
       ember-cli-babel: 7.26.11
@@ -2998,7 +2998,7 @@ packages:
       - supports-color
     dev: true
 
-  /@glint/environment-ember-loose@1.2.2(@glimmer/component@1.1.2)(@glint/template@1.2.2)(@types/ember__array@4.0.10)(@types/ember__component@4.0.22)(@types/ember__controller@4.0.12)(@types/ember__object@4.0.12)(@types/ember__routing@4.0.20):
+  /@glint/environment-ember-loose@1.2.2(@glimmer/component@1.1.2)(@glint/template@1.2.2)(@types/ember__array@4.0.10)(@types/ember__component@4.0.22)(@types/ember__controller@4.0.12)(@types/ember__object@4.0.12)(@types/ember__routing@4.0.21):
     resolution: {integrity: sha512-qsKDBmn84eDv0wVVvYToxMat5kvG9zMygwmmOsdShZ5g/HgostOhnISAM+WG6bMNu30OjxLnCHX/e8pgWAfWAg==}
     peerDependencies:
       '@glimmer/component': ^1.1.2
@@ -3032,9 +3032,9 @@ packages:
       '@types/ember__component': 4.0.22(@babel/core@7.23.7)
       '@types/ember__controller': 4.0.12(@babel/core@7.23.7)
       '@types/ember__object': 4.0.12(@babel/core@7.23.7)
-      '@types/ember__routing': 4.0.20(@babel/core@7.23.7)
+      '@types/ember__routing': 4.0.21(@babel/core@7.23.7)
 
-  /@glint/environment-ember-template-imports@1.2.2(@glint/environment-ember-loose@1.2.2)(@glint/template@1.2.2)(@types/ember__component@4.0.22)(@types/ember__helper@4.0.7)(@types/ember__modifier@4.0.9)(@types/ember__routing@4.0.20):
+  /@glint/environment-ember-template-imports@1.2.2(@glint/environment-ember-loose@1.2.2)(@glint/template@1.2.2)(@types/ember__component@4.0.22)(@types/ember__helper@4.0.7)(@types/ember__modifier@4.0.9)(@types/ember__routing@4.0.21):
     resolution: {integrity: sha512-B02AmhCjPZk4ygrBi54TtdEe0Gjw8KkSFX0AIA3+PEWKemEJwgNHuCyAwEeDKvr3Z3zAsx9vNIKkJqYQXV3NQw==}
     peerDependencies:
       '@glint/environment-ember-loose': ^1.2.2
@@ -3053,12 +3053,12 @@ packages:
       '@types/ember__routing':
         optional: true
     dependencies:
-      '@glint/environment-ember-loose': 1.2.2(@glimmer/component@1.1.2)(@glint/template@1.2.2)(@types/ember__array@4.0.10)(@types/ember__component@4.0.22)(@types/ember__controller@4.0.12)(@types/ember__object@4.0.12)(@types/ember__routing@4.0.20)
+      '@glint/environment-ember-loose': 1.2.2(@glimmer/component@1.1.2)(@glint/template@1.2.2)(@types/ember__array@4.0.10)(@types/ember__component@4.0.22)(@types/ember__controller@4.0.12)(@types/ember__object@4.0.12)(@types/ember__routing@4.0.21)
       '@glint/template': 1.2.2
       '@types/ember__component': 4.0.22(@babel/core@7.23.7)
       '@types/ember__helper': 4.0.7(@babel/core@7.23.7)
       '@types/ember__modifier': 4.0.9(@babel/core@7.23.7)
-      '@types/ember__routing': 4.0.20(@babel/core@7.23.7)
+      '@types/ember__routing': 4.0.21(@babel/core@7.23.7)
       ember-template-imports: 3.4.2
     transitivePeerDependencies:
       - supports-color
@@ -3736,7 +3736,7 @@ packages:
       '@types/ember__error': 4.0.6
       '@types/ember__object': 4.0.12(@babel/core@7.23.7)
       '@types/ember__polyfills': 4.0.6
-      '@types/ember__routing': 4.0.20(@babel/core@7.23.7)
+      '@types/ember__routing': 4.0.21(@babel/core@7.23.7)
       '@types/ember__runloop': 4.0.9(@babel/core@7.23.7)
       '@types/ember__service': 4.0.9(@babel/core@7.23.7)
       '@types/ember__string': 3.16.3
@@ -3756,7 +3756,7 @@ packages:
       '@types/ember__engine': 4.0.11(@babel/core@7.23.7)
       '@types/ember__object': 4.0.12(@babel/core@7.23.7)
       '@types/ember__owner': 4.0.9
-      '@types/ember__routing': 4.0.20(@babel/core@7.23.7)
+      '@types/ember__routing': 4.0.21(@babel/core@7.23.7)
     transitivePeerDependencies:
       - '@babel/core'
       - supports-color
@@ -3848,8 +3848,8 @@ packages:
   /@types/ember__polyfills@4.0.6:
     resolution: {integrity: sha512-hbds3Qv+oVm/QKIaY1E6atvrCoJTH/MPSl4swOhX6P0RiMB2fOfFCrFSD1mP1KrU1LqpHJ2Rzs7XLe53SWVzgw==}
 
-  /@types/ember__routing@4.0.20(@babel/core@7.23.7):
-    resolution: {integrity: sha512-q34OnxTrpyzGlDxvZszn9duDutpKIrVSeg+W0BjOjmhREp8r37iAFjmHUUqwHQYvMCnMmwbvVUHr9fyvbtmgEA==}
+  /@types/ember__routing@4.0.21(@babel/core@7.23.7):
+    resolution: {integrity: sha512-eXXHDsStB77oFss+P7PoLoI4nfcD/ePQckB3taWe8wf80sVY4WnkFw990anG1A9tGCnRqRhIaEY8h3/6WP6TEw==}
     dependencies:
       '@types/ember': 4.0.11(@babel/core@7.23.7)
       '@types/ember__controller': 4.0.12(@babel/core@7.23.7)
diff --git a/test-app/package.json b/test-app/package.json
index 7893356ed..a10b1c77c 100644
--- a/test-app/package.json
+++ b/test-app/package.json
@@ -56,7 +56,7 @@
     "@types/ember__object": "^4.0.12",
     "@types/ember__owner": "^4.0.9",
     "@types/ember__polyfills": "^4.0.6",
-    "@types/ember__routing": "^4.0.20",
+    "@types/ember__routing": "^4.0.21",
     "@types/ember__runloop": "^4.0.9",
     "@types/ember__service": "^4.0.9",
     "@types/ember__string": "^3.16.3",