diff --git a/types_darwin.go b/types_darwin.go
index f992314..d5f6978 100644
--- a/types_darwin.go
+++ b/types_darwin.go
@@ -1,4 +1,5 @@
-// +build darwin
+//go:build darwin
+
 package rtsp
 
 /*
diff --git a/types_linux.go b/types_linux.go
index 35ae543..4d01365 100644
--- a/types_linux.go
+++ b/types_linux.go
@@ -1,4 +1,5 @@
-// +build linux
+//go:build linux
+
 package rtsp
 
 /*
diff --git a/types_windows.go b/types_windows.go
index 2d39d4c..3650f2b 100644
--- a/types_windows.go
+++ b/types_windows.go
@@ -1,4 +1,5 @@
-// +build windows
+//go:build windows
+
 package rtsp
 
 /*