diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 593f27de..53600295 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -1,5 +1,7 @@
 name: Continuous Integration
+
 on: [push, pull_request]
+
 jobs:
   build:
     runs-on: ubuntu-latest
@@ -9,14 +11,13 @@ jobs:
       security-events: write
     steps:
       - uses: actions/checkout@v4
-      - uses: pnpm/action-setup@v2
+      - uses: pnpm/action-setup@v4
         with:
-          version: 8.6.2
+          run_install: true
       - uses: github/codeql-action/init@v3
         with:
           languages: javascript
       - uses: github/codeql-action/analyze@v3
-      - run: pnpm install
       - run: pnpm run lint
       - run: pnpm run check-format
       - run: pnpm run dist
diff --git a/package.json b/package.json
index 52d65a07..7df68bb0 100644
--- a/package.json
+++ b/package.json
@@ -55,5 +55,6 @@
   "bugs": {
     "url": "https://github.com/lichess-org/chessground/issues"
   },
-  "funding": "https://lichess.org/patron"
+  "funding": "https://lichess.org/patron",
+  "packageManager": "pnpm@9.9.0+sha512.60c18acd138bff695d339be6ad13f7e936eea6745660d4cc4a776d5247c540d0edee1a563695c183a66eb917ef88f2b4feb1fc25f32a7adcadc7aaf3438e99c1"
 }