diff --git a/app/build.ts b/app/build.ts
index faa81d0..2889011 100644
--- a/app/build.ts
+++ b/app/build.ts
@@ -88,7 +88,7 @@ await tsup.build({
    watch,
    entry: ["src/index.ts", "src/data/index.ts", "src/core/index.ts", "src/core/utils/index.ts"],
    outDir: "dist",
-   external: ["bun:test"],
+   external: ["bun:test", "@libsql/client"],
    metafile: true,
    platform: "browser",
    format: ["esm", "cjs"],
diff --git a/app/src/App.ts b/app/src/App.ts
index a617a0a..289ab47 100644
--- a/app/src/App.ts
+++ b/app/src/App.ts
@@ -21,7 +21,7 @@ export class AppBuiltEvent extends Event<{ app: App }> {
 export const AppEvents = { AppConfigUpdatedEvent, AppBuiltEvent } as const;
 
 export type CreateAppConfig = {
-   connection:
+   connection?:
       | Connection
       | {
            type: "libsql";
@@ -59,17 +59,19 @@ export class App<DB = any> {
    static create(config: CreateAppConfig) {
       let connection: Connection | undefined = undefined;
 
-      if (Connection.isConnection(config.connection)) {
-         connection = config.connection;
-      } else if (typeof config.connection === "object") {
-         switch (config.connection.type) {
-            case "libsql":
-               connection = new LibsqlConnection(config.connection.config);
-               break;
+      try {
+         if (Connection.isConnection(config.connection)) {
+            connection = config.connection;
+         } else if (typeof config.connection === "object") {
+            connection = new LibsqlConnection(config.connection.config);
+         } else {
+            connection = new LibsqlConnection({ url: ":memory:" });
+            console.warn("[!] No connection provided, using in-memory database");
          }
-      } else {
-         throw new Error(`Unknown connection of type ${typeof config.connection} given.`);
+      } catch (e) {
+         console.error("Could not create connection", e);
       }
+
       if (!connection) {
          throw new Error("Invalid connection");
       }
diff --git a/app/src/data/connection/LibsqlConnection.ts b/app/src/data/connection/LibsqlConnection.ts
index 9f6ebcb..e60fa32 100644
--- a/app/src/data/connection/LibsqlConnection.ts
+++ b/app/src/data/connection/LibsqlConnection.ts
@@ -1,4 +1,4 @@
-import { type Client, type Config, type InStatement, createClient } from "@libsql/client/web";
+import { type Client, type Config, type InStatement, createClient } from "@libsql/client";
 import { LibsqlDialect } from "@libsql/kysely-libsql";
 import { type DatabaseIntrospector, Kysely, ParseJSONResultsPlugin, sql } from "kysely";
 import { FilterNumericKeysPlugin } from "../plugins/FilterNumericKeysPlugin";