diff --git a/internal/cfg/cfg.go b/internal/cfg/cfg.go
index 4c2cf8e..0d227ec 100644
--- a/internal/cfg/cfg.go
+++ b/internal/cfg/cfg.go
@@ -43,6 +43,7 @@ const KnownEnv = `
 	GOGCCFLAGS
 	GOHOSTARCH
 	GOHOSTOS
+	GOINSECURE
 	GOMIPS
 	GOMIPS64
 	GONOPROXY