diff --git a/README.md b/README.md
index c2113ac..a0c7522 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,11 @@
+> [!WARNING]
+> # No longer maintained. No longer relevant.
+>
+> This project is no longer maintained, was used in transitional period when ecosystem was switching from V1 to V2.
+> `go-libp2p` >= `v0.26.0` [no longer supports Relay V1](https://github.com/libp2p/go-libp2p/issues/2075), making this project outdated.
+>
+> Modern deployments should implement their own relay setups built with Relay V2, supported via [go-lib2p2](https://github.com/libp2p/go-libp2p) and `libp2p.EnableRelayService`
+
 # libp2p-relay-daemon
 
 > A standalone daemon that provides libp2p circuit relay services,
diff --git a/cmd/libp2p-relay-daemon/main.go b/cmd/libp2p-relay-daemon/main.go
index a6c15e8..94116e7 100644
--- a/cmd/libp2p-relay-daemon/main.go
+++ b/cmd/libp2p-relay-daemon/main.go
@@ -1,6 +1,7 @@
 package main
 
 import (
+	"errors"
 	"flag"
 	"fmt"
 	"net/http"
@@ -108,16 +109,16 @@ func main() {
 		panic(err)
 	}
 
-	if cfg.RelayV2.Enabled {
-		fmt.Printf("Starting RelayV2...\n")
-		_, err = relayv2.New(host,
-			relayv2.WithResources(cfg.RelayV2.Resources),
-			relayv2.WithACL(acl))
-		if err != nil {
-			panic(err)
-		}
-		fmt.Printf("RelayV2 is running!\n")
+	if !cfg.RelayV2.Enabled {
+		panic(errors.New("RelayV2.Enabled=false is no longer supported. V2 is the only supported version now (https://github.com/libp2p/go-libp2p/issues/2075)"))
+	}
+	_, err = relayv2.New(host,
+		relayv2.WithResources(cfg.RelayV2.Resources),
+		relayv2.WithACL(acl))
+	if err != nil {
+		panic(err)
 	}
+	fmt.Printf("RelayV2 is running!\n")
 
 	select {}
 }
diff --git a/version.json b/version.json
index 372b6ea..fc15ae0 100644
--- a/version.json
+++ b/version.json
@@ -1,3 +1,3 @@
 {
-  "version": "v0.4.0"
+  "version": "v0.5.0"
 }