diff --git a/README.md b/README.md
index a60e8389..db28f620 100644
--- a/README.md
+++ b/README.md
@@ -10,7 +10,7 @@ Note that this template ignores the 'Servers' section of AsyncAPI documents. The
 
 ## Technical requirements
 
-- 1.8.6 =< [Generator](https://github.com/asyncapi/generator/)
+- 1.9.4 =< [Generator](https://github.com/asyncapi/generator/)
 - Generator specific [requirements](https://github.com/asyncapi/generator/#requirements)
 
 ## Specification Conformance
diff --git a/package.json b/package.json
index 717a6528..9aa75dc4 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@asyncapi/java-spring-cloud-stream-template",
-  "version": "0.12.1",
+  "version": "0.13.0",
   "description": "Java Spring Cloud Stream template for AsyncAPI generator.",
   "scripts": {
     "release": "semantic-release",
@@ -67,7 +67,7 @@
     ]
   },
   "generator": {
-    "generator": ">=1.8.6 <2.0.0",
+    "generator": ">=1.8.6 <=2.3.0",
     "parameters": {
       "actuator": {
         "description": "If present, it adds the dependencies for spring-boot-starter-web, spring-boot-starter-actuator and micrometer-registry-prometheus.",
diff --git a/test/mocks/animals.yaml b/test/mocks/animals.yaml
index 08886cbd..8b709a9f 100644
--- a/test/mocks/animals.yaml
+++ b/test/mocks/animals.yaml
@@ -29,7 +29,7 @@ channels:
         oneOf:
         - $ref: '#/components/messages/CatMessage'
         - $ref: '#/components/messages/DogMessage'
-asyncapi: 2.0.0
+asyncapi: 2.3.0
 info:
   description: Testing oneOf
   title: animals
diff --git a/test/mocks/solace-test-app.yaml b/test/mocks/solace-test-app.yaml
index eb32c3b7..84480f0d 100644
--- a/test/mocks/solace-test-app.yaml
+++ b/test/mocks/solace-test-app.yaml
@@ -39,7 +39,7 @@ channels:
           enum:
             - POST
             - DELETE
-asyncapi: 2.0.0
+asyncapi: 2.3.0
 info:
   title: solace-test-app
   version: 0.0.1