diff --git a/package.json b/package.json
index 9887ced..146b806 100644
--- a/package.json
+++ b/package.json
@@ -5,6 +5,7 @@
   "license": "UNLICENSED",
   "private": true,
   "devDependencies": {
+    "@types/cors": "^2.8.17",
     "@types/express": "^4.17.21",
     "@typescript-eslint/eslint-plugin": "^5.47.1",
     "@typescript-eslint/parser": "^5.47.1",
@@ -22,6 +23,7 @@
     "@cosmjs/proto-signing": "^0.32.4",
     "@cosmjs/stargate": "^0.32.4",
     "@keyv/sqlite": "^3.6.7",
+    "cors": "^2.8.5",
     "express": "^4.19.2",
     "toml": "^3.0.0"
   },
diff --git a/src/index.ts b/src/index.ts
index 5c1632a..2aa2825 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -3,6 +3,7 @@ import Keyv from 'keyv';
 import fs from 'fs';
 import path from 'path';
 import toml from 'toml';
+import cors from 'cors';
 
 import { DirectSecp256k1Wallet } from '@cosmjs/proto-signing';
 import { GasPrice, SigningStargateClient } from '@cosmjs/stargate';
@@ -36,6 +37,7 @@ async function main (): Promise<void> {
 
   const app = express();
   app.use(express.json());
+  app.use(cors());
 
   app.post('/faucet', async (req, res) => {
     const { address } = req.body;
diff --git a/yarn.lock b/yarn.lock
index 1e6f65c..97faa70 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -346,6 +346,13 @@
   dependencies:
     "@types/node" "*"
 
+"@types/cors@^2.8.17":
+  version "2.8.17"
+  resolved "https://registry.yarnpkg.com/@types/cors/-/cors-2.8.17.tgz#5d718a5e494a8166f569d986794e49c48b216b2b"
+  integrity sha512-8CGDvrBj1zgo2qE+oS3pOCyYNqCPryMWY2bGfwA0dcfopWGgxs+78df0Rs3rc9THP4JkOhLsAa+15VdpAqkcUA==
+  dependencies:
+    "@types/node" "*"
+
 "@types/express-serve-static-core@^4.17.33":
   version "4.19.5"
   resolved "https://registry.yarnpkg.com/@types/express-serve-static-core/-/express-serve-static-core-4.19.5.tgz#218064e321126fcf9048d1ca25dd2465da55d9c6"
@@ -924,6 +931,14 @@ cookie@0.6.0:
   resolved "https://registry.yarnpkg.com/cookie/-/cookie-0.6.0.tgz#2798b04b071b0ecbff0dbb62a505a8efa4e19051"
   integrity sha512-U71cyTamuh1CRNCfpGY6to28lxvNwPG4Guz/EVjgf3Jmzv0vlDp1atT9eS5dDjMYHucpHbWns6Lwf3BKz6svdw==
 
+cors@^2.8.5:
+  version "2.8.5"
+  resolved "https://registry.yarnpkg.com/cors/-/cors-2.8.5.tgz#eac11da51592dd86b9f06f6e7ac293b3df875d29"
+  integrity sha512-KIHbLJqu73RGr/hnbrO9uBeixNGuvSQjul/jdFvS/KFSIH1hWVd1ng7zOHx+YrEfInLG7q4n6GHQ9cDtxv/P6g==
+  dependencies:
+    object-assign "^4"
+    vary "^1"
+
 cosmjs-types@^0.9.0:
   version "0.9.0"
   resolved "https://registry.yarnpkg.com/cosmjs-types/-/cosmjs-types-0.9.0.tgz#c3bc482d28c7dfa25d1445093fdb2d9da1f6cfcc"
@@ -2414,6 +2429,11 @@ npmlog@^6.0.0:
     gauge "^4.0.3"
     set-blocking "^2.0.0"
 
+object-assign@^4:
+  version "4.1.1"
+  resolved "https://registry.yarnpkg.com/object-assign/-/object-assign-4.1.1.tgz#2109adc7965887cfc05cbbd442cac8bfbb360863"
+  integrity sha512-rJgTQnkUnH1sFw8yT6VSU3zD3sWmu6sZhIseY8VX+GRu3P6F7Fu+JNDoXfklElbLJSnc3FUQHVe4cU5hj+BcUg==
+
 object-inspect@^1.13.1:
   version "1.13.2"
   resolved "https://registry.yarnpkg.com/object-inspect/-/object-inspect-1.13.2.tgz#dea0088467fb991e67af4058147a24824a3043ff"
@@ -3254,7 +3274,7 @@ v8-compile-cache-lib@^3.0.1:
   resolved "https://registry.yarnpkg.com/v8-compile-cache-lib/-/v8-compile-cache-lib-3.0.1.tgz#6336e8d71965cb3d35a1bbb7868445a7c05264bf"
   integrity sha512-wa7YjyUGfNZngI/vtK0UHAN+lgDCxBPCylVXGp0zu59Fz5aiGtNXaq3DhIov063MorB+VfufLh3JlF2KdTK3xg==
 
-vary@~1.1.2:
+vary@^1, vary@~1.1.2:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/vary/-/vary-1.1.2.tgz#2299f02c6ded30d4a5961b0b9f74524a18f634fc"
   integrity sha512-BNGbWLfd0eUPabhkXUVm0j8uuvREyTh5ovRa/dyow/BqAbZJyC+5fU+IzQOzmAKzYqYRAISoRhdQr3eIZ/PXqg==