diff --git a/packages/core/package.json b/packages/core/package.json
index 6a23c3810..35fd8b17c 100644
--- a/packages/core/package.json
+++ b/packages/core/package.json
@@ -7,6 +7,7 @@
   "license": "UNLICENSED",
   "private": true,
   "scripts": {
+    "preinstall": "npx only-allow pnpm",
     "precommit": "lint-staged",
     "build": "rm -rf build/ && tsc",
     "lint": "eslint --format pretty --ext .ts src",
diff --git a/packages/phrases/package.json b/packages/phrases/package.json
index 793b4feac..be5512d53 100644
--- a/packages/phrases/package.json
+++ b/packages/phrases/package.json
@@ -15,6 +15,7 @@
     "url": "git+https://github.com/logto-io/logto.git"
   },
   "scripts": {
+    "preinstall": "npx only-allow pnpm",
     "build": "rm -rf lib/ && tsc",
     "lint": "eslint --format pretty \"src/**\"",
     "prepack": "pnpm build"
@@ -33,8 +34,5 @@
   "eslintConfig": {
     "extends": "@logto"
   },
-  "prettier": "@logto/eslint-config/.prettierrc",
-  "dependencies": {
-    "@logto/schemas": "^0.1.0"
-  }
+  "prettier": "@logto/eslint-config/.prettierrc"
 }
diff --git a/packages/schemas/package.json b/packages/schemas/package.json
index e429ff863..f5d0cf9e8 100644
--- a/packages/schemas/package.json
+++ b/packages/schemas/package.json
@@ -10,6 +10,7 @@
   ],
   "private": true,
   "scripts": {
+    "preinstall": "npx only-allow pnpm",
     "generate": "ts-node src/gen/index.ts && eslint --format pretty \"src/db-entries/**\" --fix",
     "build": "pnpm generate && rm -rf lib/ && tsc --p tsconfig.build.json",
     "lint": "eslint --format pretty \"src/**\"",
diff --git a/packages/ui/package.json b/packages/ui/package.json
index 9a5f725d8..879110daf 100644
--- a/packages/ui/package.json
+++ b/packages/ui/package.json
@@ -4,6 +4,7 @@
   "license": "UNLICENSED",
   "private": true,
   "scripts": {
+    "preinstall": "npx only-allow pnpm",
     "precommit": "lint-staged",
     "dev:tsc": "tsc -b -w --preserveWatchOutput",
     "dev:razzle": "razzle start",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index fbf72f64b..0ceccf7ac 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -106,14 +106,11 @@ importers:
   packages/phrases:
     specifiers:
       '@logto/eslint-config': ^0.1.0-rc.14
-      '@logto/schemas': ^0.1.0
       '@logto/ts-config': ^0.1.0-rc.14
       eslint: ^7.31.0
       eslint-formatter-pretty: ^4.1.0
       prettier: ^2.3.2
       typescript: ^4.3.5
-    dependencies:
-      '@logto/schemas': link:../schemas
     devDependencies:
       '@logto/eslint-config': 0.1.0-rc.14_aa6010e91de57dec3f7388187c7addf8
       '@logto/ts-config': 0.1.0-rc.14_f847e35c67ce67b1737c27c823675243