diff --git a/cmd/debug.go b/cmd/debug.go
index 19299c4..bdb0d90 100644
--- a/cmd/debug.go
+++ b/cmd/debug.go
@@ -1,3 +1,5 @@
+//go:build windows
+
 package cmd
 
 import (
diff --git a/cmd/set.go b/cmd/set.go
index 1b0d49d..89b230b 100644
--- a/cmd/set.go
+++ b/cmd/set.go
@@ -1,3 +1,5 @@
+//go:build windows
+
 package cmd
 
 import (
diff --git a/cmd/unset.go b/cmd/unset.go
index d751baa..32e84f6 100644
--- a/cmd/unset.go
+++ b/cmd/unset.go
@@ -1,3 +1,5 @@
+//go:build windows
+
 package cmd
 
 import (
diff --git a/proxy/debug.go b/proxy/debug.go
index bac5a74..7ebb1d3 100644
--- a/proxy/debug.go
+++ b/proxy/debug.go
@@ -1,3 +1,5 @@
+//go:build windows
+
 package proxy
 
 import (
diff --git a/proxy/set.go b/proxy/set.go
index b4778e3..47a0a5a 100644
--- a/proxy/set.go
+++ b/proxy/set.go
@@ -1,3 +1,5 @@
+//go:build windows
+
 package proxy
 
 import (
diff --git a/proxy/unset.go b/proxy/unset.go
index 7dc21b8..5e1837c 100644
--- a/proxy/unset.go
+++ b/proxy/unset.go
@@ -1,3 +1,5 @@
+//go:build windows
+
 package proxy
 
 import (
diff --git a/util/command.go b/util/command.go
index ae56898..f4c3113 100644
--- a/util/command.go
+++ b/util/command.go
@@ -1,3 +1,5 @@
+//go:build windows
+
 package util
 
 import (