diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 82de09aae..d78b11215 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -19,6 +19,8 @@ jobs:
       with:
         node-version: 18.x
     - run: corepack enable
-    - run: yarn install
+    - run: yarn set version berry
+    - run: yarn workspaces focus
+    - run: yarn install --immutable
     - run: yarn workspaces foreach run lint
 
diff --git a/package.json b/package.json
index afbcd041a..1377e87f0 100644
--- a/package.json
+++ b/package.json
@@ -6,7 +6,7 @@
 		"type": "git",
 		"url": "https://github.com/misskey-dev/misskey.git"
 	},
-	"packageManager": "yarn@3.2.0",
+	"packageManager": "yarn@3.2.1",
 	"workspaces": [
 		"packages/client",
 		"packages/backend",
diff --git a/packages/backend/package.json b/packages/backend/package.json
index 8cd46d2ca..4661e9003 100644
--- a/packages/backend/package.json
+++ b/packages/backend/package.json
@@ -9,6 +9,7 @@
 		"mocha": "cross-env NODE_ENV=test TS_NODE_FILES=true TS_NODE_TRANSPILE_ONLY=true TS_NODE_PROJECT=\"./test/tsconfig.json\" mocha",
 		"test": "npm run mocha"
 	},
+	"packageManager": "yarn@3.2.1",
 	"resolutions": {
 		"chokidar": "^3.3.1",
 		"lodash": "^4.17.21"
diff --git a/packages/client/package.json b/packages/client/package.json
index f717731b0..71bd60a2d 100644
--- a/packages/client/package.json
+++ b/packages/client/package.json
@@ -9,6 +9,7 @@
 		"chokidar": "^3.3.1",
 		"lodash": "^4.17.21"
 	},
+	"packageManager": "yarn@3.2.1",
 	"dependencies": {
 		"@discordapp/twemoji": "14.0.2",
 		"@fortawesome/fontawesome-free": "6.1.1",
diff --git a/packages/sw/package.json b/packages/sw/package.json
index e744118f7..4e465e2a8 100644
--- a/packages/sw/package.json
+++ b/packages/sw/package.json
@@ -5,6 +5,7 @@
 		"build": "node build.js",
 		"lint": "eslint --quiet src/**/*.{ts}"
 	},
+	"packageManager": "yarn@3.2.1",
 	"dependencies": {
 		"esbuild": "^0.14.42",
 		"idb-keyval": "^6.1.0",
diff --git a/yarn.lock b/yarn.lock
index 9b62e90f3..b7e9d75ab 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -13810,11 +13810,11 @@ __metadata:
 
 "typescript@patch:typescript@4.7.2#~builtin<compat/typescript>":
   version: 4.7.2
-  resolution: "typescript@patch:typescript@npm%3A4.7.2#~builtin<compat/typescript>::version=4.7.2&hash=bda367"
+  resolution: "typescript@patch:typescript@npm%3A4.7.2#~builtin<compat/typescript>::version=4.7.2&hash=7ad353"
   bin:
     tsc: bin/tsc
     tsserver: bin/tsserver
-  checksum: 09d93fc0983d38eadd9b0427f790b49b4437f45002a87d447be3fbe53120880e87a91dd03e1d900498f99205d6e0b7c9784fe41fca11d56f4bbce371f74bb160
+  checksum: 7e2b9a9f4a70fb7616f1b0d986977f8e34a74f046202fa7f24fdee79589598277810fa216b3776c20c0683a9235872c73be34fdb93f67f98c1efaca40999422f
   languageName: node
   linkType: hard