diff --git a/modules/openapi-generator/src/main/resources/php-lumen/licenseInfo.mustache b/modules/openapi-generator/src/main/resources/php-lumen/licenseInfo.mustache
index 9866f297a4d7..ef8396ce24d4 100644
--- a/modules/openapi-generator/src/main/resources/php-lumen/licenseInfo.mustache
+++ b/modules/openapi-generator/src/main/resources/php-lumen/licenseInfo.mustache
@@ -1,6 +1,7 @@
 /**
  * {{{appName}}}
  * {{{appDescription}}}
+ * PHP version 7.1.3
  *
  * {{#version}}The version of the OpenAPI document: {{{version}}}{{/version}}
  * {{#infoEmail}}Contact: {{{infoEmail}}}{{/infoEmail}}
diff --git a/modules/openapi-generator/src/main/resources/php-lumen/readme.md b/modules/openapi-generator/src/main/resources/php-lumen/readme.md
index e0dba8a2f5ca..77316595b804 100644
--- a/modules/openapi-generator/src/main/resources/php-lumen/readme.md
+++ b/modules/openapi-generator/src/main/resources/php-lumen/readme.md
@@ -1,5 +1,8 @@
 # OpenAPITools generated server
 
+## Requirements
+* PHP 7.1.3 or newer
+
 ## Overview
 This server was generated by the [OpenAPI Generator](https://openapi-generator.tech) project. By using the
 [OpenAPI-Spec](https://github.com/OAI/OpenAPI-Specification/) from a remote server, you can easily generate a server stub.  This
diff --git a/samples/server/petstore/php-lumen/lib/app/Http/Controllers/AnotherFakeApi.php b/samples/server/petstore/php-lumen/lib/app/Http/Controllers/AnotherFakeApi.php
index 322f09736fa5..135cd3b23236 100644
--- a/samples/server/petstore/php-lumen/lib/app/Http/Controllers/AnotherFakeApi.php
+++ b/samples/server/petstore/php-lumen/lib/app/Http/Controllers/AnotherFakeApi.php
@@ -3,6 +3,7 @@
 /**
  * OpenAPI Petstore
  * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ * PHP version 7.1.3
  *
  * The version of the OpenAPI document: 1.0.0
  * 
diff --git a/samples/server/petstore/php-lumen/lib/app/Http/Controllers/FakeApi.php b/samples/server/petstore/php-lumen/lib/app/Http/Controllers/FakeApi.php
index cbc65e59a4d6..e01b2014f75c 100644
--- a/samples/server/petstore/php-lumen/lib/app/Http/Controllers/FakeApi.php
+++ b/samples/server/petstore/php-lumen/lib/app/Http/Controllers/FakeApi.php
@@ -3,6 +3,7 @@
 /**
  * OpenAPI Petstore
  * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ * PHP version 7.1.3
  *
  * The version of the OpenAPI document: 1.0.0
  * 
diff --git a/samples/server/petstore/php-lumen/lib/app/Http/Controllers/FakeClassnameTags123Api.php b/samples/server/petstore/php-lumen/lib/app/Http/Controllers/FakeClassnameTags123Api.php
index 1b60b7d6361c..2c9d145a10bc 100644
--- a/samples/server/petstore/php-lumen/lib/app/Http/Controllers/FakeClassnameTags123Api.php
+++ b/samples/server/petstore/php-lumen/lib/app/Http/Controllers/FakeClassnameTags123Api.php
@@ -3,6 +3,7 @@
 /**
  * OpenAPI Petstore
  * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ * PHP version 7.1.3
  *
  * The version of the OpenAPI document: 1.0.0
  * 
diff --git a/samples/server/petstore/php-lumen/lib/app/Http/Controllers/PetApi.php b/samples/server/petstore/php-lumen/lib/app/Http/Controllers/PetApi.php
index 5667a6f98523..679719dda0d4 100644
--- a/samples/server/petstore/php-lumen/lib/app/Http/Controllers/PetApi.php
+++ b/samples/server/petstore/php-lumen/lib/app/Http/Controllers/PetApi.php
@@ -3,6 +3,7 @@
 /**
  * OpenAPI Petstore
  * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ * PHP version 7.1.3
  *
  * The version of the OpenAPI document: 1.0.0
  * 
diff --git a/samples/server/petstore/php-lumen/lib/app/Http/Controllers/StoreApi.php b/samples/server/petstore/php-lumen/lib/app/Http/Controllers/StoreApi.php
index 76caa0054843..55efa5680dcd 100644
--- a/samples/server/petstore/php-lumen/lib/app/Http/Controllers/StoreApi.php
+++ b/samples/server/petstore/php-lumen/lib/app/Http/Controllers/StoreApi.php
@@ -3,6 +3,7 @@
 /**
  * OpenAPI Petstore
  * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ * PHP version 7.1.3
  *
  * The version of the OpenAPI document: 1.0.0
  * 
diff --git a/samples/server/petstore/php-lumen/lib/app/Http/Controllers/UserApi.php b/samples/server/petstore/php-lumen/lib/app/Http/Controllers/UserApi.php
index e6667053a095..d878c1e85057 100644
--- a/samples/server/petstore/php-lumen/lib/app/Http/Controllers/UserApi.php
+++ b/samples/server/petstore/php-lumen/lib/app/Http/Controllers/UserApi.php
@@ -3,6 +3,7 @@
 /**
  * OpenAPI Petstore
  * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ * PHP version 7.1.3
  *
  * The version of the OpenAPI document: 1.0.0
  * 
diff --git a/samples/server/petstore/php-lumen/lib/readme.md b/samples/server/petstore/php-lumen/lib/readme.md
index e0dba8a2f5ca..77316595b804 100644
--- a/samples/server/petstore/php-lumen/lib/readme.md
+++ b/samples/server/petstore/php-lumen/lib/readme.md
@@ -1,5 +1,8 @@
 # OpenAPITools generated server
 
+## Requirements
+* PHP 7.1.3 or newer
+
 ## Overview
 This server was generated by the [OpenAPI Generator](https://openapi-generator.tech) project. By using the
 [OpenAPI-Spec](https://github.com/OAI/OpenAPI-Specification/) from a remote server, you can easily generate a server stub.  This
diff --git a/samples/server/petstore/php-lumen/lib/routes/web.php b/samples/server/petstore/php-lumen/lib/routes/web.php
index 9ffff0e0c73a..14bd40610b22 100644
--- a/samples/server/petstore/php-lumen/lib/routes/web.php
+++ b/samples/server/petstore/php-lumen/lib/routes/web.php
@@ -3,6 +3,7 @@
 /**
  * OpenAPI Petstore
  * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ * PHP version 7.1.3
  *
  * The version of the OpenAPI document: 1.0.0
  *