diff --git a/package-lock.json b/package-lock.json
index 7eed502..d3e5b5e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -12,6 +12,7 @@
         "body-parser": "^2.2.0",
         "cheerio": "^1.1.2",
         "concurrently": "^9.2.0",
+        "cors": "^2.8.6",
         "dotenv": "^17.2.3",
         "exceljs": "^4.4.0",
         "express": "^5.1.0",
@@ -809,6 +810,23 @@
       "integrity": "sha512-ZQBvi1DcpJ4GDqanjucZ2Hj3wEO5pZDS89BWbkcrvdxksJorwUDDZamX9ldFkp9aw2lmBDLgkObEA4DWNJ9FYQ==",
       "license": "MIT"
     },
+    "node_modules/cors": {
+      "version": "2.8.6",
+      "resolved": "https://registry.npmjs.org/cors/-/cors-2.8.6.tgz",
+      "integrity": "sha512-tJtZBBHA6vjIAaF6EnIaq6laBBP9aq/Y3ouVJjEfoHbRBcHBAHYcMh/w8LDrk2PvIMMq8gmopa5D4V8RmbrxGw==",
+      "license": "MIT",
+      "dependencies": {
+        "object-assign": "^4",
+        "vary": "^1"
+      },
+      "engines": {
+        "node": ">= 0.10"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/express"
+      }
+    },
     "node_modules/cosmiconfig": {
       "version": "9.0.0",
       "resolved": "https://registry.npmjs.org/cosmiconfig/-/cosmiconfig-9.0.0.tgz",
@@ -2152,6 +2170,15 @@
         "url": "https://github.com/fb55/nth-check?sponsor=1"
       }
     },
+    "node_modules/object-assign": {
+      "version": "4.1.1",
+      "resolved": "https://registry.npmjs.org/object-assign/-/object-assign-4.1.1.tgz",
+      "integrity": "sha512-rJgTQnkUnH1sFw8yT6VSU3zD3sWmu6sZhIseY8VX+GRu3P6F7Fu+JNDoXfklElbLJSnc3FUQHVe4cU5hj+BcUg==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=0.10.0"
+      }
+    },
     "node_modules/object-inspect": {
       "version": "1.13.4",
       "resolved": "https://registry.npmjs.org/object-inspect/-/object-inspect-1.13.4.tgz",
diff --git a/package.json b/package.json
index edd2ce0..24faf8d 100644
--- a/package.json
+++ b/package.json
@@ -16,6 +16,7 @@
     "body-parser": "^2.2.0",
     "cheerio": "^1.1.2",
     "concurrently": "^9.2.0",
+    "cors": "^2.8.6",
     "dotenv": "^17.2.3",
     "exceljs": "^4.4.0",
     "express": "^5.1.0",
diff --git a/scrape/utils/parseTeachers.js b/scrape/utils/parseTeachers.js
index b09e9d2..4d16e37 100644
--- a/scrape/utils/parseTeachers.js
+++ b/scrape/utils/parseTeachers.js
@@ -19,7 +19,7 @@ globalThis.File = class File {};
 export default async function parseTeachers() {
   const url = "https://spsejecna.cz/ucitel";
   const response = await fetch(url);
-  const data = await response.text(); // fetch needs .text() to get HTML
+  const data = await response.text();
   const $ = cheerio.load(data);
 
   const map = {};
diff --git a/server.js b/server.js
index 9cb573f..fdfa0e9 100644
--- a/server.js
+++ b/server.js
@@ -18,6 +18,7 @@ const app = express();
 import fs from "fs/promises";
 import { getCurrentInterval } from "./scheduleRules.js";
 import bodyParser from "body-parser";
+import cors from "cors";
 
 const VERSIONS = ["v1", "v2"];
 const PORT = process.env.PORT || 3000;
@@ -26,6 +27,13 @@ globalThis.File = class File {};
 
 app.use(bodyParser.json());
 
+app.use(cors({
+  origin: "*",
+  methods: ["GET", "POST", "OPTIONS"],
+  allowedHeaders: ["Content-Type"],
+}));
+app.options("*", cors());
+
 app.get('/', async (req, res) => {
   const userAgent = req.headers['user-agent'] || '';
   const isBrowser = /Mozilla|Chrome|Firefox|Safari|Edg/.test(userAgent);