diff --git a/packages/formats/src/__tests__/asyncapi.test.ts b/packages/formats/src/__tests__/asyncapi.test.ts
index 9bd0de0cb..01e22c240 100644
--- a/packages/formats/src/__tests__/asyncapi.test.ts
+++ b/packages/formats/src/__tests__/asyncapi.test.ts
@@ -1,10 +1,13 @@
-import { asyncApi2 } from '../asyncapi';
+import { aas2, aas2_0, aas2_1, aas2_2, aas2_3 } from '../asyncapi';
 
-describe('AsyncApi format', () => {
-  describe('AsyncApi 2.{minor}.{patch}', () => {
-    it.each([['2.0.17'], ['2.9.0'], ['2.9.3']])('recognizes %s version correctly', (version: string) => {
-      expect(asyncApi2({ asyncapi: version }, null)).toBe(true);
-    });
+describe('AsyncAPI format', () => {
+  describe('AsyncAPI 2.x', () => {
+    it.each(['2.0.0', '2.1.0', '2.2.0', '2.3.0', '2.0.17', '2.1.37', '2.9.0', '2.9.3'])(
+      'recognizes %s version correctly',
+      version => {
+        expect(aas2({ asyncapi: version }, null)).toBe(true);
+      },
+    );
 
     const testCases = [
       { asyncapi: '3.0' },
@@ -15,6 +18,7 @@ describe('AsyncApi format', () => {
       { asyncapi: '2.0.01' },
       { asyncapi: '1.0' },
       { asyncapi: 2 },
+      { asyncapi: null },
       { openapi: '4.0' },
       { openapi: '2.0' },
       { openapi: null },
@@ -25,7 +29,50 @@ describe('AsyncApi format', () => {
     ];
 
     it.each(testCases)('does not recognize invalid document %o', document => {
-      expect(asyncApi2(document, null)).toBe(false);
+      expect(aas2(document, null)).toBe(false);
+    });
+  });
+
+  describe('AsyncAPI 2.0', () => {
+    it.each(['2.0.0', '2.0.3'])('recognizes %s version correctly', version => {
+      expect(aas2_0({ asyncapi: version }, null)).toBe(true);
+    });
+
+    it.each(['2', '2.0', '2.1.0', '2.1.3'])('does not recognize %s version', version => {
+      expect(aas2_0({ asyncapi: version }, null)).toBe(false);
+    });
+  });
+
+  describe('AsyncAPI 2.1', () => {
+    it.each(['2.1.0', '2.1.37'])('recognizes %s version correctly', version => {
+      expect(aas2_1({ asyncapi: version }, null)).toBe(true);
+    });
+
+    it.each(['2', '2.1', '2.0.0', '2.2.0', '2.2.3'])('does not recognize %s version', version => {
+      expect(aas2_1({ asyncapi: version }, null)).toBe(false);
+    });
+  });
+
+  describe('AsyncAPI 2.2', () => {
+    it.each(['2.2.0', '2.2.3'])('recognizes %s version correctly', version => {
+      expect(aas2_2({ asyncapi: version }, null)).toBe(true);
+    });
+
+    it.each(['2', '2.2', '2.0.0', '2.1.0', '2.1.37', '2.3.0', '2.3.3'])('does not recognize %s version', version => {
+      expect(aas2_2({ asyncapi: version }, null)).toBe(false);
     });
   });
+
+  describe('AsyncAPI 2.3', () => {
+    it.each(['2.3.0', '2.3.3'])('recognizes %s version correctly', version => {
+      expect(aas2_3({ asyncapi: version }, null)).toBe(true);
+    });
+
+    it.each(['2', '2.3', '2.0.0', '2.1.0', '2.1.37', '2.2.0', '2.4.0', '2.4.3'])(
+      'does not recognize %s version',
+      version => {
+        expect(aas2_3({ asyncapi: version }, null)).toBe(false);
+      },
+    );
+  });
 });
diff --git a/packages/formats/src/asyncapi.ts b/packages/formats/src/asyncapi.ts
index 8a1a6dde3..87312ac19 100644
--- a/packages/formats/src/asyncapi.ts
+++ b/packages/formats/src/asyncapi.ts
@@ -1,24 +1,36 @@
 import type { Format } from '@stoplight/spectral-core';
 import { isPlainObject } from '@stoplight/json';
 
-type MaybeAsyncApi2 = Partial<{ asyncapi: unknown }>;
+type MaybeAAS2 = { asyncapi: unknown } & Record<string, unknown>;
 
-const bearsAStringPropertyNamed = (document: unknown, propertyName: string): boolean => {
-  return isPlainObject(document) && propertyName in document && typeof document[propertyName] === 'string';
-};
+const aas2Regex = /^2\.(0|[1-9][0-9]*)\.(0|[1-9][0-9]*)$/;
+const aas2_0Regex = /^2\.0(?:\.[0-9]*)?$/;
+const aas2_1Regex = /^2\.1(?:\.[0-9]*)?$/;
+const aas2_2Regex = /^2\.2(?:\.[0-9]*)?$/;
+const aas2_3Regex = /^2\.3(?:\.[0-9]*)?$/;
 
-const version2Regex = /^2\.(0|[1-9][0-9]*)\.(0|[1-9][0-9]*)$/;
+const isAas2 = (document: unknown): document is { asyncapi: string } & Record<string, unknown> =>
+  isPlainObject(document) && 'asyncapi' in document && aas2Regex.test(String((document as MaybeAAS2).asyncapi));
 
-export const asyncApi2: Format = document => {
-  if (!bearsAStringPropertyNamed(document, 'asyncapi')) {
-    return false;
-  }
+export const aas2: Format = isAas2;
+aas2.displayName = 'AsyncAPI 2.x';
 
-  const version = String((document as MaybeAsyncApi2).asyncapi);
+// for backward compatibility
+export const asyncApi2 = aas2;
+export const asyncapi2 = aas2;
 
-  return version2Regex.test(version);
-};
+export const aas2_0: Format = (document: unknown): boolean =>
+  isAas2(document) && aas2_0Regex.test(String((document as MaybeAAS2).asyncapi));
+aas2_0.displayName = 'AsyncAPI 2.0.x';
 
-asyncApi2.displayName = 'AsyncAPI 2.x';
+export const aas2_1: Format = (document: unknown): boolean =>
+  isAas2(document) && aas2_1Regex.test(String((document as MaybeAAS2).asyncapi));
+aas2_1.displayName = 'AsyncAPI 2.1.x';
 
-export { asyncApi2 as asyncapi2 };
+export const aas2_2: Format = (document: unknown): boolean =>
+  isAas2(document) && aas2_2Regex.test(String((document as MaybeAAS2).asyncapi));
+aas2_2.displayName = 'AsyncAPI 2.2.x';
+
+export const aas2_3: Format = (document: unknown): boolean =>
+  isAas2(document) && aas2_3Regex.test(String((document as MaybeAAS2).asyncapi));
+aas2_3.displayName = 'AsyncAPI 2.3.x';