diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index dcda148..a1675bf 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -32,6 +32,12 @@ jobs:
       - name: 🧪 Test
         run: npm run test
 
+      - name: 💪 Generate Types
+        run:
+          npx -p typescript tsc --declaration --emitDeclarationOnly --allowJs
+          --checkJs --skipLibCheck --downlevelIteration --module nodenext
+          --moduleResolution nodenext --target es2022 --outDir . index.js
+
   release:
     name: 🚀 Release
     needs: [test]
diff --git a/index.js b/index.js
index 0dd856f..50626d7 100644
--- a/index.js
+++ b/index.js
@@ -44,7 +44,7 @@ async function generateHOTP(
 		digits = DEFAULT_DIGITS,
 		algorithm = DEFAULT_ALGORITHM,
 		charSet = DEFAULT_CHAR_SET,
-	} = {},
+	} = {}
 ) {
 	const byteCounter = intToBytes(counter)
 	const key = await crypto.subtle.importKey(
@@ -52,7 +52,7 @@ async function generateHOTP(
 		secret,
 		{ name: 'HMAC', hash: algorithm },
 		false,
-		['sign'],
+		['sign']
 	)
 	const signature = await crypto.subtle.sign('HMAC', key, byteCounter)
 	const hashBytes = new Uint8Array(signature)
@@ -101,7 +101,7 @@ async function verifyHOTP(
 		algorithm = DEFAULT_ALGORITHM,
 		charSet = DEFAULT_CHAR_SET,
 		window = DEFAULT_WINDOW,
-	} = {},
+	} = {}
 ) {
 	for (let i = counter - window; i <= counter + window; ++i) {
 		if (
diff --git a/package-lock.json b/package-lock.json
index 9c19c15..6abe318 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -16,7 +16,7 @@
         "@types/node": "^20.4.5"
       },
       "engines": {
-        "node": ">=18"
+        "node": ">=20"
       }
     },
     "node_modules/@types/node": {