diff --git a/devel/dep/Makefile b/devel/dep/Makefile
index 4c416f712e31..62ba5a871eaf 100644
--- a/devel/dep/Makefile
+++ b/devel/dep/Makefile
@@ -14,6 +14,9 @@ COMMENT=	Prototype dependency management tool for Go
 LICENSE=	BSD3CLAUSE
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
+DEPRECATED=	Use Go modules
+EXPIRATION_DATE=	2022-06-30
+
 USES=		go
 
 USE_GITHUB=	yes