diff --git a/lib/index.js b/lib/index.js
index d610062..2ff4a1d 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -6,7 +6,7 @@ module.exports = fp(
     return openapi(fastify, opts);
   },
   {
-    fastify: '<2.12.0',
+    fastify: '>=2.0.0 <2.12.0 || >=2.12.1 <3.0.0',
     name: 'fastify-oas',
   },
 );