diff --git a/devel/byacc/Makefile b/devel/byacc/Makefile
index 94a2556b0387..b9156c648d49 100644
--- a/devel/byacc/Makefile
+++ b/devel/byacc/Makefile
@@ -1,7 +1,7 @@
 # $FreeBSD$
 
 PORTNAME=	byacc
-PORTVERSION=	20140527
+PORTVERSION=	20140715
 CATEGORIES=	devel
 MASTER_SITES=	ftp://invisible-island.net/${PORTNAME}/
 
@@ -15,4 +15,7 @@ MAKEFILE=	makefile
 PLIST_FILES=	bin/yacc \
 		man/man1/yacc.1.gz
 
+regression-test: build
+	@cd ${WRKSRC}; ${MAKE_CMD} check
+
 .include <bsd.port.mk>
diff --git a/devel/byacc/distinfo b/devel/byacc/distinfo
index da4ce1ce3e3f..9a59b8dfcd4d 100644
--- a/devel/byacc/distinfo
+++ b/devel/byacc/distinfo
@@ -1,2 +1,2 @@
-SHA256 (byacc-20140527.tgz) = 488ec10e6b238ea83d13a79e5fafe66620b24027852a56d456d63dd5eda92125
-SIZE (byacc-20140527.tgz) = 673109
+SHA256 (byacc-20140715.tgz) = ecd0d87bf7e62b5536fb096ada96ecd564c6411866bbe6644e30ee7963e97fe5
+SIZE (byacc-20140715.tgz) = 673480