diff --git a/spec/proto/runtime/v1/appcallback.pb.go b/spec/proto/runtime/v1/appcallback.pb.go
index 0575000e72..9e6f1cc462 100644
--- a/spec/proto/runtime/v1/appcallback.pb.go
+++ b/spec/proto/runtime/v1/appcallback.pb.go
@@ -1,6 +1,6 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.28.0
+// 	protoc-gen-go v1.28.1
 // 	protoc        v3.17.3
 // source: appcallback.proto