diff --git a/.github/workflows/build_web.yml b/.github/workflows/build_web.yml
index 3aeee976..273807a7 100644
--- a/.github/workflows/build_web.yml
+++ b/.github/workflows/build_web.yml
@@ -21,7 +21,7 @@ jobs:
       - name: Setup pnpm
         uses: pnpm/action-setup@v6
         with:
-          version: 10.34.3
+          version: 11.9.0
 
       - name: Setup node
         uses: actions/setup-node@v6
diff --git a/webapp/package.json b/webapp/package.json
index 59240184..fefbe8c4 100644
--- a/webapp/package.json
+++ b/webapp/package.json
@@ -49,7 +49,7 @@
         "vitest": "^4.1.9",
         "waveform-data": "^4.5.2"
     },
-    "packageManager": "pnpm@10.34.3",
+    "packageManager": "pnpm@11.9.0",
     "pnpm": {
         "onlyBuiltDependencies": [
             "@tailwindcss/oxide",