diff --git a/src/index.test.ts b/src/index.test.ts
index 6ea7baea..6fa6c83f 100644
--- a/src/index.test.ts
+++ b/src/index.test.ts
@@ -1,3 +1,5 @@
+import * as parsers from './parsers';
+
 import * as environment from '.';
 
 describe('environment', () => {
@@ -11,5 +13,13 @@ describe('environment', () => {
     Object.values(environment.parsers).forEach(parser => {
       expect(typeof parser).toBe('function');
     });
+
+    Object.entries(parsers).forEach(([name, parser]) => {
+      if (typeof parser === 'function') {
+        expect(environment.parsers).toEqual(
+          expect.objectContaining({ [name]: parser }),
+        );
+      }
+    });
   });
 });
diff --git a/src/index.ts b/src/index.ts
index d1ff59e8..a18c6f95 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -1,4 +1,5 @@
 import {
+  array,
   boolean,
   email,
   float,
@@ -17,20 +18,21 @@ import {
 } from './parsers';
 
 const parsers = {
-  string,
+  array,
   boolean,
-  integer,
-  float,
   email,
+  float,
+  integer,
   url,
   ipAddress,
-  port,
-  whitelist,
-  positiveInteger,
-  nonPositiveInteger,
   negativeInteger,
   nonNegativeInteger,
+  nonPositiveInteger,
+  port,
+  positiveInteger,
   regex,
+  string,
+  whitelist,
 };
 
 export { Parser, parsers };