diff --git a/packages/apidom-parser-adapter-openapi-json-3-0/src/adapter.ts b/packages/apidom-parser-adapter-openapi-json-3-0/src/adapter.ts
index 4f3a6e8f0..23031130c 100644
--- a/packages/apidom-parser-adapter-openapi-json-3-0/src/adapter.ts
+++ b/packages/apidom-parser-adapter-openapi-json-3-0/src/adapter.ts
@@ -6,7 +6,7 @@ import openApiNamespace, { OpenApi3_0Element } from '@swagger-api/apidom-ns-open
 
 export { default as mediaTypes } from './media-types';
 
-export const detectionRegExp = /"openapi"\s*:\s*"(?<version_json>3\.0\.([0123])(?:-rc[012])?)"/;
+export const detectionRegExp = /"openapi"\s*:\s*"(?<version_json>3\.0\.([0123]))"/;
 
 export const detect = async (source: string): Promise<boolean> =>
   detectionRegExp.test(source) && (await detectJSON(source));
diff --git a/packages/apidom-parser-adapter-openapi-json-3-0/test/adapter.ts b/packages/apidom-parser-adapter-openapi-json-3-0/test/adapter.ts
index 8bf27c153..3c003466e 100644
--- a/packages/apidom-parser-adapter-openapi-json-3-0/test/adapter.ts
+++ b/packages/apidom-parser-adapter-openapi-json-3-0/test/adapter.ts
@@ -79,6 +79,7 @@ describe('adapter', function () {
       assert.isFalse(adapter.detectionRegExp.test('"openapi": "3.1.0"'));
       assert.isFalse(adapter.detectionRegExp.test('"openapi": "3.01.0"'));
       assert.isFalse(adapter.detectionRegExp.test('"openapi": "3.0.01"'));
+      assert.isFalse(adapter.detectionRegExp.test('"openapi": "3.0.1-rc1"'));
     });
   });
 });