diff --git a/api/v1/openapi.yaml b/api/v1/openapi.yaml
index 328af04..ee92da2 100644
--- a/api/v1/openapi.yaml
+++ b/api/v1/openapi.yaml
@@ -9,6 +9,10 @@ info:
     email: iam@vojtechmares.com
     url: https://www.vojtechmares.com
 
+servers:
+  - url: http://localhost:3000
+    description: Local development server
+
 tags:
   - name: Trainings
     description: Operations about trainings