diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 600f98f..0b12128 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -32,3 +32,26 @@ jobs:
 
       - name: Build program and clients
         run: just build
+
+  webapp-build:
+    runs-on: ubuntu-latest
+    timeout-minutes: 20
+    steps:
+      - uses: actions/checkout@v6
+        with:
+          fetch-depth: 1
+
+      - uses: ./.github/actions/setup
+        with:
+          install-rust: 'false'
+          install-solana: 'false'
+          install-just: 'false'
+          enable-rust-cache: 'false'
+
+      - name: Generate and build TypeScript client
+        run: |
+          pnpm run generate-clients
+          pnpm --filter @solana/subscriptions build
+
+      - name: Build webapp
+        run: pnpm --filter webapp build