diff --git a/sign/revocation_test.go b/sign/revocation_test.go
index e8815cd..96569ee 100644
--- a/sign/revocation_test.go
+++ b/sign/revocation_test.go
@@ -1,3 +1,4 @@
+//go:build certificateExpired
 // +build certificateExpired
 
 // TODO: Rework tests, these currently fail because of expired certificate