diff --git c/devel/shards/Makefile w/devel/shards/Makefile
index 4ece48033704..c6647902880e 100644
--- c/devel/shards/Makefile
+++ w/devel/shards/Makefile
@@ -2,7 +2,7 @@
 
 PORTNAME=		shards
 DISTVERSIONPREFIX=	v
-DISTVERSION=		0.11.0
+DISTVERSION=		0.12.0
 CATEGORIES=		devel
 
 MAINTAINER=	greg@unrelenting.technology
@@ -17,11 +17,13 @@ LIB_DEPENDS=	libyaml.so:textproc/libyaml \
 		libevent.so:devel/libevent
 RUN_DEPENDS=	git:devel/git
 
+USES=		gmake
 USE_GITHUB=	yes
 GH_ACCOUNT=	crystal-lang
 GH_TUPLE=	crystal-lang:crystal-molinillo:e61b200edb735d5676e11cbe56e8353c8b2ced0b:molinillo/lib/molinillo
 
-MAKE_ARGS+=	CRFLAGS="--release --no-debug" \
+MAKE_ARGS+=	CRYSTAL="${LOCALBASE}/bin/crystal" \
+		FLAGS="--release --no-debug" \
 		MANDIR="${STAGEDIR}${PREFIX}/man"
 
 PLIST_FILES=	bin/shards \
diff --git c/devel/shards/distinfo w/devel/shards/distinfo
index 129fce7f59c9..b34c6802a70c 100644
--- c/devel/shards/distinfo
+++ w/devel/shards/distinfo
@@ -1,5 +1,5 @@
-TIMESTAMP = 1591564840
-SHA256 (crystal-lang-shards-v0.11.0_GH0.tar.gz) = d1b58ec81c6acc2bf7ecad4e2868e05f74a57647318a167c7324f706b568bfff
-SIZE (crystal-lang-shards-v0.11.0_GH0.tar.gz) = 45819
+TIMESTAMP = 1599230667
+SHA256 (crystal-lang-shards-v0.12.0_GH0.tar.gz) = f6803ffb58b9dd5e78c3c3ec273941c0f6278d75427937aeb77e37244cd5cad9
+SIZE (crystal-lang-shards-v0.12.0_GH0.tar.gz) = 52205
 SHA256 (crystal-lang-crystal-molinillo-e61b200edb735d5676e11cbe56e8353c8b2ced0b_GH0.tar.gz) = fd9e4f66eaf00b1aa05f6c762de9379e8a9573bfd52ba6af978dd4d69b5edbaf
 SIZE (crystal-lang-crystal-molinillo-e61b200edb735d5676e11cbe56e8353c8b2ced0b_GH0.tar.gz) = 23955