diff --git a/p2p/transport/tcp/metrics_darwin.go b/p2p/transport/tcp/metrics_darwin.go
index 7edf378887..f0015f4057 100644
--- a/p2p/transport/tcp/metrics_darwin.go
+++ b/p2p/transport/tcp/metrics_darwin.go
@@ -1,4 +1,5 @@
-//+build darwin
+//go:build darwin
+// +build darwin
 
 package tcp
 
diff --git a/p2p/transport/tcp/metrics_general.go b/p2p/transport/tcp/metrics_general.go
index 83096c8cca..bf84346281 100644
--- a/p2p/transport/tcp/metrics_general.go
+++ b/p2p/transport/tcp/metrics_general.go
@@ -1,4 +1,5 @@
-//+build !linux,!darwin
+//go:build !linux && !darwin
+// +build !linux,!darwin
 
 package tcp
 
diff --git a/p2p/transport/tcp/metrics_linux.go b/p2p/transport/tcp/metrics_linux.go
index b5dd11e280..046faa51c6 100644
--- a/p2p/transport/tcp/metrics_linux.go
+++ b/p2p/transport/tcp/metrics_linux.go
@@ -1,4 +1,5 @@
-//+build linux
+//go:build linux
+// +build linux
 
 package tcp