diff --git a/package-lock.json b/package-lock.json
index 323088f..5ede068 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@shaddyhm/configs",
-  "version": "0.2.0",
+  "version": "0.2.1",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "@shaddyhm/configs",
-      "version": "0.2.0",
+      "version": "0.2.1",
       "license": "MIT",
       "dependencies": {
         "app-root-path": "^3.1.0",
diff --git a/package.json b/package.json
index 0f68efb..53172c6 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@shaddyhm/configs",
-  "version": "0.2.0",
+  "version": "0.2.1",
   "description": "A simple application configuration library",
   "main": "dist/index.js",
   "types": "dist/index.d.ts",
diff --git a/src/errors/extension.error.ts b/src/errors/extension.error.ts
new file mode 100644
index 0000000..266d6b1
--- /dev/null
+++ b/src/errors/extension.error.ts
@@ -0,0 +1,7 @@
+import { PackageError } from './package.error';
+
+export class ExtensionError extends PackageError {
+  constructor(message: string) {
+    super(message);
+  }
+}
diff --git a/src/errors/parser.error.ts b/src/errors/files.error.ts
similarity index 69%
rename from src/errors/parser.error.ts
rename to src/errors/files.error.ts
index 189ca9b..f372f2b 100644
--- a/src/errors/parser.error.ts
+++ b/src/errors/files.error.ts
@@ -1,6 +1,6 @@
 import { PackageError } from './package.error';
 
-export class ParserError extends PackageError {
+export class FilesError extends PackageError {
   constructor(message: string) {
     super(message);
   }
diff --git a/src/errors/index.ts b/src/errors/index.ts
index e694af6..7ede200 100644
--- a/src/errors/index.ts
+++ b/src/errors/index.ts
@@ -1,4 +1,5 @@
 export { DirectoryError } from './directory.error';
+export { ExtensionError } from './extension.error';
 export { FileError } from './file.error';
-export { ParserError } from './parser.error';
+export { FilesError } from './files.error';
 export { ResolverError } from './resolver.error';
diff --git a/src/index.ts b/src/index.ts
index aa7e1e9..643e343 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -5,10 +5,9 @@ import * as path from 'path';
 import * as util from 'util';
 import * as YAML from 'yaml';
 
-import { ResolverError } from './errors';
+import { ExtensionError, FilesError, ResolverError } from './errors';
 import { DirectoryError } from './errors/directory.error';
 import { FileError } from './errors/file.error';
-import { ParserError } from './errors/parser.error';
 
 const readFileAsync = util.promisify(fs.readFile);
 
@@ -73,7 +72,7 @@ export class Configs implements IConfigs {
       );
 
     if (!resolver.files || !resolver.files.length)
-      throw new FileError(`No config files provided for ${resolver.env} env`);
+      throw new FilesError(`No config files provided for ${resolver.env} env`);
 
     // validate resolver files and extensions
     resolver.files.forEach((file) => {
@@ -88,7 +87,7 @@ export class Configs implements IConfigs {
       const ext = path.extname(file);
       const isExtensionSupported = ['.yaml', '.yml'].includes(ext);
       if (!isExtensionSupported)
-        throw new ParserError(
+        throw new ExtensionError(
           `Unsupported file extension ${ext}. Only .yaml and .yml are supported.`,
         );
     });
diff --git a/tests/index.spec.ts b/tests/index.spec.ts
index d15b6fe..c136401 100644
--- a/tests/index.spec.ts
+++ b/tests/index.spec.ts
@@ -3,8 +3,9 @@ import * as assert from 'assert';
 import { Configs } from '../src/';
 import {
   DirectoryError,
+  ExtensionError,
   FileError,
-  ParserError,
+  FilesError,
   ResolverError,
 } from '../src/errors';
 
@@ -47,7 +48,7 @@ describe('Test unhappy paths', () => {
           },
         ];
       });
-    }, new FileError('No config files provided for development env'));
+    }, new FilesError('No config files provided for development env'));
   });
 
   it('should throw if no resolver is found', () => {
@@ -95,7 +96,7 @@ describe('Test unhappy paths', () => {
           },
         ];
       });
-    }, new ParserError('Unsupported file extension .json. Only .yaml and .yml are supported.'));
+    }, new ExtensionError('Unsupported file extension .json. Only .yaml and .yml are supported.'));
   });
 });