https://github.com/aquasecurity/tfsec/issues/2015

Index: vendor/github.com/owenrumney/squealer/internal/pkg/scan/signals_unix.go
--- vendor/github.com/owenrumney/squealer/internal/pkg/scan/signals_unix.go.orig
+++ vendor/github.com/owenrumney/squealer/internal/pkg/scan/signals_unix.go
@@ -1,5 +1,5 @@
-//go:build linux || bsd || darwin || freebsd
-// +build linux bsd darwin freebsd
+//go:build linux || bsd || darwin || freebsd || openbsd
+// +build linux bsd darwin freebsd openbsd
 
 package scan
 
