diff --git a/pal-gazebo-worlds/Makefile b/pal-gazebo-worlds/Makefile
index b04f90b987a8fd7ebcdd8f704392b63ed3265f4f..41207ee00d9001a81ba0f63b0bf7c674a7ff8f2c 100644
--- a/pal-gazebo-worlds/Makefile
+++ b/pal-gazebo-worlds/Makefile
@@ -9,12 +9,13 @@ DISTNAME=	${VERSION}
 ROSNAME=	$(subst -,_,${PKGBASE})
 WRKSRC=		${WRKDIR}/${ROSNAME}-${VERSION}
 DIST_SUBDIR=	${PKGBASE}
-PKGREVISION=	3
+PKGREVISION=	4
 
 CATEGORIES=	wip
 HOMEPAGE=	${MASTER_SITE_GITHUB:=pal-robotics/${ROSNAME}}
 MASTER_SITES=	${HOMEPAGE}/archive/
 COMMENT=	Simulation worlds for PAL robots
+LICENSE=	gnu-lgpl-v3
 
 include ../../devel/ros-catkin/depend.mk
 include ../../devel/ros-roscpp-core/depend.mk