diff --git a/README.md b/README.md
index 378978b8205..f7bf96dcecf 100644
--- a/README.md
+++ b/README.md
@@ -552,7 +552,7 @@ More examples are available under the `examples` directory.
 To use the same port for custom HTTP handlers (e.g. serving `swagger.json`),
 gRPC-Gateway, and a gRPC server, see
 [this example by CoreOS](https://github.com/philips/grpc-gateway-example/blob/master/cmd/serve.go)
-(and its accompanying [blog post](https://coreos.com/blog/grpc-protobufs-swagger.html)).
+(and its accompanying [blog post](https://web.archive.org/web/20201112010739/https://coreos.com/blog/grpc-protobufs-swagger.html)).
 
 ## Features