diff --git a/package.json b/package.json
index 13df2fa..6454088 100644
--- a/package.json
+++ b/package.json
@@ -3,7 +3,7 @@
   "version": "1.1.2",
   "description": "Build xml files from json objects",
   "main": "lib/index.js",
-  "types": "lib/main.d.ts",
+  "types": "lib/index.d.ts",
   "scripts": {
     "build": "tsc --project tsconfig.build.json",
     "lint": "eslint . --ext .ts",
diff --git a/src/builder.ts b/src/builder.ts
index 204d89f..8c77f12 100644
--- a/src/builder.ts
+++ b/src/builder.ts
@@ -1,4 +1,11 @@
 import { cdataTag, tag, tagXmlHeader } from './tags';
+import type {
+  XMLObject,
+  GenerateXMLOptions,
+  XMLAttributes,
+  TagOptions,
+  XMLValueType,
+} from './types';
 import { handleStringify, replaceInvalidXmlElementBodyCharacters } from './utility';
 
 /**
diff --git a/src/index.ts b/src/index.ts
index 935d2b7..c396e5e 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -1,2 +1,3 @@
 export { generateXMLFromObject } from './builder';
 export { generateObjectFromXML } from './parser';
+export type * from './types';
diff --git a/src/parser.ts b/src/parser.ts
index 137eb32..4ba6af2 100644
--- a/src/parser.ts
+++ b/src/parser.ts
@@ -1,4 +1,5 @@
 import DomParser, { Node } from 'dom-parser';
+import type { XMLObject } from './types';
 
 interface CleanNode extends Node {
   jsonName: string;
diff --git a/src/tags.ts b/src/tags.ts
index a8f9778..8c18f84 100644
--- a/src/tags.ts
+++ b/src/tags.ts
@@ -1,3 +1,4 @@
+import type { TagOptions, XMLAttributes } from './types';
 import { replaceInvalidXmlAttributeCharacters, replaceInvalidXmlCdataCharacters } from './utility';
 
 /**
diff --git a/src/main.d.ts b/src/types.ts
similarity index 70%
rename from src/main.d.ts
rename to src/types.ts
index f242740..f8d6350 100644
--- a/src/main.d.ts
+++ b/src/types.ts
@@ -1,16 +1,16 @@
-type XMLObject = {
+export type XMLObject = {
   [key: string]: XMLValueType | undefined;
 };
 
-type XMLAttributes = {
+export type XMLAttributes = {
   [key: string]: string;
 };
 
-type SupportedDataTypes = string | number | boolean | Date;
+export type SupportedDataTypes = string | number | boolean | Date;
 
-type XMLValueType = SupportedDataTypes | Array<SupportedDataTypes> | XMLObject | XMLObject[];
+export type XMLValueType = SupportedDataTypes | Array<SupportedDataTypes> | XMLObject | XMLObject[];
 
-interface GenerateXMLOptions {
+export interface GenerateXMLOptions {
   /** Whether to apply formatting */
   pretty?: boolean;
   /** The number of spaces to indent each level */
@@ -25,7 +25,7 @@ interface GenerateXMLOptions {
   formatDateFunction?: (date: Date) => string;
 }
 
-interface TagOptions {
+export interface TagOptions {
   /** The tag indentation depth */
   depth: number;
   /** Whether to apply formatting */
diff --git a/src/utility.ts b/src/utility.ts
index 29236a2..db6fc18 100644
--- a/src/utility.ts
+++ b/src/utility.ts
@@ -1,3 +1,5 @@
+import type { XMLValueType } from './types';
+
 /**
  * Replaces control characters with their escaped versions.
  * @param str - the string to replace the control characters in