diff --git a/modules/swagger-codegen/src/main/resources/php/composer.mustache b/modules/swagger-codegen/src/main/resources/php/composer.mustache
index 6ab42751a57c..510303ac2484 100644
--- a/modules/swagger-codegen/src/main/resources/php/composer.mustache
+++ b/modules/swagger-codegen/src/main/resources/php/composer.mustache
@@ -29,5 +29,8 @@
     },
     "autoload": {
         "psr-4": { "{{escapedInvokerPackage}}\\" : "{{srcBasePath}}/" }
+    },
+    "autoload-dev": {
+        "psr-4": { "{{escapedInvokerPackage}}\\" : "{{srcBasePath}}/" }
     }
 }