diff --git a/signals_unix.go b/signals_unix.go
index 826f58b..4095403 100644
--- a/signals_unix.go
+++ b/signals_unix.go
@@ -1,5 +1,5 @@
-//go:build darwin || dragonfly || freebsd || linux || netbsd || openbsd || solaris || aix
-// +build darwin dragonfly freebsd linux netbsd openbsd solaris aix
+//go:build darwin || dragonfly || freebsd || linux || netbsd || openbsd || solaris || aix || zos
+// +build darwin dragonfly freebsd linux netbsd openbsd solaris aix zos
 
 package tea
 
diff --git a/tty_unix.go b/tty_unix.go
index a3a25b8..d5436af 100644
--- a/tty_unix.go
+++ b/tty_unix.go
@@ -1,5 +1,5 @@
-//go:build darwin || dragonfly || freebsd || linux || netbsd || openbsd || solaris || aix
-// +build darwin dragonfly freebsd linux netbsd openbsd solaris aix
+//go:build darwin || dragonfly || freebsd || linux || netbsd || openbsd || solaris || aix || zos
+// +build darwin dragonfly freebsd linux netbsd openbsd solaris aix zos
 
 package tea