diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 6929226..6a391d0 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -12,7 +12,7 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [16.x, 18.x, 20.x]
+        node-version: [16.x, 18.x, 20.x, 22.x]
 
     steps:
     - uses: actions/checkout@v4
@@ -24,6 +24,7 @@ jobs:
         node-version: ${{ matrix.node-version }}
     - run: npm i
     - run: npm run typecheck
+    - run: npm run format:check
     - run: npm test
     - run: npm run build
-    - run: npm run test-imports
+    - run: npm run test:imports
diff --git a/.prettierignore b/.prettierignore
new file mode 100644
index 0000000..f4d9ac1
--- /dev/null
+++ b/.prettierignore
@@ -0,0 +1,4 @@
+build
+coverage
+lib
+test/data
diff --git a/.prettierrc b/.prettierrc
index e537c8a..cb68d5c 100644
--- a/.prettierrc
+++ b/.prettierrc
@@ -1,5 +1,6 @@
 {
   "singleQuote": true,
   "trailingComma": "es5",
-  "arrowParens": "always"
+  "arrowParens": "always",
+  "tabWidth": 2
 }
diff --git a/package.json b/package.json
index 2861d89..eba3914 100644
--- a/package.json
+++ b/package.json
@@ -13,7 +13,8 @@
   "author": "Dmitry Shirokov <deadrunk@gmail.com>",
   "contributors": [
     "William Storey @horgh",
-    "Uman Shahzad @UmanShahzad"
+    "Uman Shahzad @UmanShahzad",
+    "Gregory Oschwald @oschwald"
   ],
   "devDependencies": {
     "@types/ip-address": "7.0.0",
@@ -22,7 +23,7 @@
     "@types/sinon": "17.0.4",
     "ip-address": "10.0.1",
     "mocha": "^11.0.0",
-    "prettier": "^3.0.0",
+    "prettier": "^3.5.3",
     "semantic-release": "^24.0.0",
     "sinon": "20.0.0",
     "ts-node": "^10.4.0",
@@ -50,8 +51,9 @@
     "build": "rm -rf lib/* && tsc",
     "typecheck": "tsc --noEmit",
     "test": "mocha",
-    "test-imports": "node test/imports/commonjs.js && node test/imports/esm.mjs && ts-node test/imports/typescript.ts",
+    "test:imports": "node test/imports/commonjs.js && node test/imports/esm.mjs && ts-node test/imports/typescript.ts",
     "format": "prettier --write src",
+    "format:check": "prettier --check src",
     "prepublish": "npm run build",
     "semantic-release": "semantic-release"
   }
diff --git a/src/reader/response.ts b/src/reader/response.ts
index e92c5ba..b5bdabb 100644
--- a/src/reader/response.ts
+++ b/src/reader/response.ts
@@ -126,8 +126,8 @@ export interface AnonymousIPResponse {
 
 export interface AnonymousPlusResponse extends AnonymousIPResponse {
   readonly anonymizer_confidence?: number;
-  readonly network_last_seen?: string
-  readonly provider_name?: string
+  readonly network_last_seen?: string;
+  readonly provider_name?: string;
 }
 
 export interface AsnResponse {
diff --git a/src/utils.ts b/src/utils.ts
index 2905baf..dbff154 100644
--- a/src/utils.ts
+++ b/src/utils.ts
@@ -19,7 +19,7 @@ const assert = (condition: boolean, message: string): void => {
   if (!condition) {
     throw new Error(message);
   }
-}
+};
 
 export default {
   assert,