diff --git a/demo/package-lock.json b/demo/package-lock.json
index 46afa5adc9..724e28de10 100644
--- a/demo/package-lock.json
+++ b/demo/package-lock.json
@@ -9,6 +9,7 @@
       "version": "0.1.0",
       "dependencies": {
         "@primer/css": "^21.3.6",
+        "@primer/primitives": "^9.1.2",
         "@rails/actioncable": "^7.2.100",
         "@rails/ujs": "^7.1.400",
         "turbolinks": "^5.2.0"
@@ -16,9 +17,6 @@
       "devDependencies": {
         "vite": "^5.4.8",
         "vite-plugin-ruby": "^5.1.0"
-      },
-      "peerDependencies": {
-        "@primer/primitives": "9.x || 10.x"
       }
     },
     "node_modules/@esbuild/aix-ppc64": {
@@ -494,7 +492,6 @@
       "version": "0.5.2",
       "resolved": "https://registry.npmjs.org/@prettier/sync/-/sync-0.5.2.tgz",
       "integrity": "sha512-Yb569su456XNx5BsH/Vyem7xD6g/y9iLmLUzRKM1a/dhU/D7HqqvkAG72znulXlMXztbV0iiu9O5AL8K98TzZQ==",
-      "peer": true,
       "dependencies": {
         "make-synchronized": "^0.2.8"
       },
@@ -532,7 +529,6 @@
       "version": "9.1.2",
       "resolved": "https://registry.npmjs.org/@primer/primitives/-/primitives-9.1.2.tgz",
       "integrity": "sha512-KecRJpUdIf14J3gVpoyMMJeQD6Sh5kcHk93N5bYch4XGB0GOZP3ypxz+NByMjr/2HHPsRfCCO5EEgNjmeWYUGQ==",
-      "peer": true,
       "dependencies": {
         "@prettier/sync": "^0.5.2",
         "prettier": "3.3"
@@ -935,7 +931,6 @@
       "version": "0.2.9",
       "resolved": "https://registry.npmjs.org/make-synchronized/-/make-synchronized-0.2.9.tgz",
       "integrity": "sha512-4wczOs8SLuEdpEvp3vGo83wh8rjJ78UsIk7DIX5fxdfmfMJGog4bQzxfvOwq7Q3yCHLC4jp1urPHIxRS/A93gA==",
-      "peer": true,
       "funding": {
         "url": "https://github.com/fisker/make-synchronized?sponsor=1"
       }
@@ -1030,7 +1025,6 @@
       "version": "3.3.3",
       "resolved": "https://registry.npmjs.org/prettier/-/prettier-3.3.3.tgz",
       "integrity": "sha512-i2tDNA0O5IrMO757lfrdQZCc2jPNDVntV0m/+4whiDfWaTKfMNgR7Qz0NAeGz/nRqF4m5/6CLzbP4/liHt12Ew==",
-      "peer": true,
       "bin": {
         "prettier": "bin/prettier.cjs"
       },
@@ -1510,7 +1504,6 @@
       "version": "0.5.2",
       "resolved": "https://registry.npmjs.org/@prettier/sync/-/sync-0.5.2.tgz",
       "integrity": "sha512-Yb569su456XNx5BsH/Vyem7xD6g/y9iLmLUzRKM1a/dhU/D7HqqvkAG72znulXlMXztbV0iiu9O5AL8K98TzZQ==",
-      "peer": true,
       "requires": {
         "make-synchronized": "^0.2.8"
       }
@@ -1540,7 +1533,6 @@
       "version": "9.1.2",
       "resolved": "https://registry.npmjs.org/@primer/primitives/-/primitives-9.1.2.tgz",
       "integrity": "sha512-KecRJpUdIf14J3gVpoyMMJeQD6Sh5kcHk93N5bYch4XGB0GOZP3ypxz+NByMjr/2HHPsRfCCO5EEgNjmeWYUGQ==",
-      "peer": true,
       "requires": {
         "@prettier/sync": "^0.5.2",
         "prettier": "3.3"
@@ -1811,8 +1803,7 @@
     "make-synchronized": {
       "version": "0.2.9",
       "resolved": "https://registry.npmjs.org/make-synchronized/-/make-synchronized-0.2.9.tgz",
-      "integrity": "sha512-4wczOs8SLuEdpEvp3vGo83wh8rjJ78UsIk7DIX5fxdfmfMJGog4bQzxfvOwq7Q3yCHLC4jp1urPHIxRS/A93gA==",
-      "peer": true
+      "integrity": "sha512-4wczOs8SLuEdpEvp3vGo83wh8rjJ78UsIk7DIX5fxdfmfMJGog4bQzxfvOwq7Q3yCHLC4jp1urPHIxRS/A93gA=="
     },
     "merge2": {
       "version": "1.4.1",
@@ -1862,8 +1853,7 @@
     "prettier": {
       "version": "3.3.3",
       "resolved": "https://registry.npmjs.org/prettier/-/prettier-3.3.3.tgz",
-      "integrity": "sha512-i2tDNA0O5IrMO757lfrdQZCc2jPNDVntV0m/+4whiDfWaTKfMNgR7Qz0NAeGz/nRqF4m5/6CLzbP4/liHt12Ew==",
-      "peer": true
+      "integrity": "sha512-i2tDNA0O5IrMO757lfrdQZCc2jPNDVntV0m/+4whiDfWaTKfMNgR7Qz0NAeGz/nRqF4m5/6CLzbP4/liHt12Ew=="
     },
     "queue-microtask": {
       "version": "1.2.3",