diff --git a/ui/package.json b/ui/package.json
index 2382044..bbaabc7 100644
--- a/ui/package.json
+++ b/ui/package.json
@@ -33,14 +33,5 @@
     "@vitejs/plugin-react-swc": "^3.7.2",
     "typescript": "~5.7.0",
     "vite": "^6.0.0"
-  },
-  "pnpm": {
-    "onlyBuiltDependencies": [
-      "@swc/core",
-      "esbuild"
-    ],
-    "ignoredBuiltDependencies": [
-      "react-vertical-timeline-component"
-    ]
   }
 }
diff --git a/ui/pnpm-workspace.yaml b/ui/pnpm-workspace.yaml
new file mode 100644
index 0000000..a50e415
--- /dev/null
+++ b/ui/pnpm-workspace.yaml
@@ -0,0 +1,10 @@
+# pnpm 10+ no longer reads build-script settings from package.json's "pnpm"
+# field — they live here. esbuild and @swc/core need their postinstall to place
+# native binaries for vite; allow those, and explicitly ignore the harmless
+# react-vertical-timeline-component postinstall, so a fresh CI install doesn't
+# fail with ERR_PNPM_IGNORED_BUILDS.
+onlyBuiltDependencies:
+  - '@swc/core'
+  - esbuild
+ignoredBuiltDependencies:
+  - react-vertical-timeline-component