@@ -1,4 +1,4 @@
-# $NetBSD: Makefile,v 1.3685 2022/02/24 01:13:18 pho Exp $
+# $NetBSD: Makefile,v 1.3686 2022/02/24 01:15:48 pho Exp $
 #
 
 COMMENT=	Development utilities
@@ -625,6 +625,7 @@
 SUBDIR+=	hs-mono-traversable
 SUBDIR+=	hs-mono-traversable-instances
 SUBDIR+=	hs-mtl-compat
+SUBDIR+=	hs-mutable-containers
 SUBDIR+=	hs-old-locale
 SUBDIR+=	hs-optparse-applicative
 SUBDIR+=	hs-optparse-simple