diff --git a/backend/package-lock.json b/backend/package-lock.json
index d48b177..fb3903a 100644
--- a/backend/package-lock.json
+++ b/backend/package-lock.json
@@ -1519,9 +1519,9 @@
       }
     },
     "taskwarrior-lib": {
-      "version": "0.2.0",
-      "resolved": "https://registry.npmjs.org/taskwarrior-lib/-/taskwarrior-lib-0.2.0.tgz",
-      "integrity": "sha512-QVd0fFlWx9wB5ixBmjTwHgsjstDd8EZYnX25G/QZ2eRvPS/GJBVSWNzrJFnc7mvhLK0+Y5gQBwMbRIGijapJRQ=="
+      "version": "0.4.0",
+      "resolved": "https://registry.npmjs.org/taskwarrior-lib/-/taskwarrior-lib-0.4.0.tgz",
+      "integrity": "sha512-DKQoAK/SgM4wYNtesOI0Fl3ggwv6q7P6br8jY5gi7M24SHzwN57bJMxs6CS43uexv6mzZoY7Rgt+cE0vP9KbkQ=="
     },
     "text-table": {
       "version": "0.2.0",
diff --git a/backend/package.json b/backend/package.json
index 4b5b735..8d58e2a 100644
--- a/backend/package.json
+++ b/backend/package.json
@@ -14,7 +14,7 @@
     "koa-bodyparser": "^4.3.0",
     "koa-logger": "^3.2.1",
     "koa-qs": "^3.0.0",
-    "taskwarrior-lib": "^0.2.0"
+    "taskwarrior-lib": "^0.4.0"
   },
   "devDependencies": {
     "@types/koa": "^2.11.3",
diff --git a/backend/src/app.ts b/backend/src/app.ts
index 2218d27..7b02ef2 100644
--- a/backend/src/app.ts
+++ b/backend/src/app.ts
@@ -5,6 +5,7 @@ import * as logger from 'koa-logger';
 import * as qs from 'koa-qs';
 
 import tasksRouter from './tasks';
+import { TaskError } from 'taskwarrior-lib';
 
 const app = new Koa();
 
@@ -12,6 +13,19 @@ qs(app);
 app.use(bodyParser());
 app.use(logger());
 
+app.use(async (ctx, next) => {
+	try {
+		await next();
+	}
+	catch (err) {
+		if (err instanceof TaskError) {
+			(err as any).expose = true;
+			(err as any).status = 400;
+		}
+		throw err;
+	}
+});
+
 const router = new Router();
 router.use('/tasks', tasksRouter.routes());
 
diff --git a/backend/src/tasks.ts b/backend/src/tasks.ts
index 9347a6e..f57e224 100644
--- a/backend/src/tasks.ts
+++ b/backend/src/tasks.ts
@@ -9,14 +9,9 @@ router.get('/', async ctx => {
 	ctx.body = tasks;
 });
 
-router.post('/', async ctx => {
-	const msg = taskwarrior.update(ctx.body);
-	console.log(msg);
-	ctx.status = 200;
-});
-
 router.put('/', async ctx => {
-	const msg = taskwarrior.update(ctx.body);
+	console.log(ctx.request.body.tasks);
+	const msg = taskwarrior.update(ctx.request.body.tasks);
 	console.log(msg);
 	ctx.status = 200;
 });