diff --git a/internal/prompter/echo_darwin_test.go b/internal/prompter/echo_darwin_test.go
index 7019fa4df..2cb3130d9 100644
--- a/internal/prompter/echo_darwin_test.go
+++ b/internal/prompter/echo_darwin_test.go
@@ -1,3 +1,5 @@
+//go:build darwin
+
 package prompter_test
 
 import "golang.org/x/sys/unix"
diff --git a/internal/prompter/echo_linux_test.go b/internal/prompter/echo_linux_test.go
index a75077301..ad63bd1d5 100644
--- a/internal/prompter/echo_linux_test.go
+++ b/internal/prompter/echo_linux_test.go
@@ -1,3 +1,5 @@
+//go:build linux
+
 package prompter_test
 
 import "golang.org/x/sys/unix"