diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 0000000..5029a21
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,20 @@
+name: Test
+
+on:
+  push:
+    branches: [master]
+  pull_request:
+
+jobs:
+  test:
+    timeout-minutes: 60
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-node@v2
+        with:
+          node-version: "16.x"
+      - name: Install dependencies
+        run: npm ci
+      - name: Run next.js build
+        run: npm run build
diff --git a/pages/index.tsx b/pages/index.tsx
index ae7966e..410f0be 100644
--- a/pages/index.tsx
+++ b/pages/index.tsx
@@ -1,10 +1,10 @@
-import { useAtom, atom, PrimitiveAtom } from "jotai";
+import { useAtom } from "jotai";
 import type { NextPage } from "next";
 import { useEffect, useRef } from "react";
 import { SyntheticEvent, useState } from "react";
 import { Form } from "react-bootstrap";
 import NumberEditBox from "../components/NumberEditBox";
-import ReceiptItem, { IReceiptItem } from "../components/ReceiptItem";
+import ReceiptItem from "../components/ReceiptItem";
 import { moneyFormatter } from "../lib/formatter";
 import { ParsedInputDisplay } from "../lib/parseInput";
 import {
@@ -51,7 +51,7 @@ const Home: NextPage = () => {
     if (isAddCalled.current) {
       updateDb();
     }
-  }, [receiptJSONString]);
+  }, [receiptJSONString, receiptJson]);
 
   return (
     <main>