diff --git a/spindle/engines/microvm/debug.go b/spindle/engines/microvm/debug.go
index c06e06d4..d8c92384 100644
--- a/spindle/engines/microvm/debug.go
+++ b/spindle/engines/microvm/debug.go
@@ -1,3 +1,5 @@
+//go:build linux
+
 package microvm
 
 import (
diff --git a/spindle/engines/microvm/debugssh.go b/spindle/engines/microvm/debugssh.go
index d87f6569..1f9bd774 100644
--- a/spindle/engines/microvm/debugssh.go
+++ b/spindle/engines/microvm/debugssh.go
@@ -1,3 +1,5 @@
+//go:build linux
+
 package microvm
 
 import (