diff --git a/src/swagger/github.yaml b/src/swagger/github.yaml
index bd9dd44..74ae681 100644
--- a/src/swagger/github.yaml
+++ b/src/swagger/github.yaml
@@ -1,7 +1,11 @@
 openapi: "3.0.0"
 info:
   title: github webhook receiver
-  version: 0.2.1
+  version: 0.2.2
+
+servers:
+  - url: ./
+
 paths:
   /pullrequest:
     post: