diff --git a/samples/server/petstore/go-gin-api-server/go/routers.go b/samples/server/petstore/go-gin-api-server/go/routers.go
index 0a1432a6269..d0fbe840a1b 100644
--- a/samples/server/petstore/go-gin-api-server/go/routers.go
+++ b/samples/server/petstore/go-gin-api-server/go/routers.go
@@ -41,6 +41,8 @@ func NewRouter() *gin.Engine {
 			router.POST(route.Pattern, route.HandlerFunc)
 		case http.MethodPut:
 			router.PUT(route.Pattern, route.HandlerFunc)
+		case http.MethodPatch:
+			router.PATCH(route.Pattern, route.HandlerFunc)
 		case http.MethodDelete:
 			router.DELETE(route.Pattern, route.HandlerFunc)
 		}