diff --git a/chilitags/Makefile b/chilitags/Makefile
index a4121cb86b61925639fe378c637af4e7cd06932b..ecef205fb0b9f66a96013e3778ecf46d6952e76e 100644
--- a/chilitags/Makefile
+++ b/chilitags/Makefile
@@ -2,23 +2,28 @@
# Created: Séverin Lemaignan on Fri, 13 Dec 2013
#
-VERSION= 1.3.0
+VERSION= 1.3.1
DISTNAME= chilitags-${VERSION}
-MASTER_SITES= ${MASTER_SITE_GITHUB:=chili-epfl/chilitags/archive/${VERSION}${EXTRACT_SUFX}?f=}
-MASTER_REPOSITORY= ${MASTER_REPOSITORY_GITHUB}/chili-epfl/chilitags
+DISTBASE= chili-epfl/chilitags/archive/
+MASTER_SITES= ${MASTER_SITE_GITHUB:=${DISTBASE}${VERSION}${EXTRACT_SUFX}?f=}
+MASTER_REPOSITORY=\
+ ${MASTER_REPOSITORY_GITHUB}/chili-epfl/chilitags
-CATEGORIES= image
-MAINTAINER= severin.lemaignan@epfl.ch
-LICENSE= gnu-lgpl-v3
-HOMEPAGE= https://github.com/chili-epfl/chilitags
-COMMENT= Robust Fiducial Markers for Augmented Reality
+CATEGORIES= image
+MAINTAINER= severin.lemaignan@epfl.ch
+LICENSE= gnu-lgpl-v3
+HOMEPAGE= https://github.com/chili-epfl/chilitags
+COMMENT= Robust Fiducial Markers for Augmented Reality
CMAKE_ARGS+= -DWITH_CREATOR=ON
CMAKE_ARGS+= -DWITH_DETECTOR=ON
CMAKE_ARGS+= -DWITH_SAMPLES=ON
+DEPEND_ABI.opencv += opencv>=2.4
+DEPEND_ABI.g++ += g++>=4.7
+DEPEND_ABI.clang++ += clang++>=3.1
+
include ../../image/opencv/depend.mk
-include ../../mk/language/c.mk
include ../../mk/language/c++.mk
include ../../mk/sysdep/cmake.mk
include ../../mk/robotpkg.mk
diff --git a/chilitags/distinfo b/chilitags/distinfo
index e8e51504f8b9dc19547c876b36ac150416416597..0479cb3d46ed1bdd47db39c06cf9d7a89e60cf61 100644
--- a/chilitags/distinfo
+++ b/chilitags/distinfo
@@ -1,3 +1,3 @@
-SHA1 (chilitags-1.3.0.tar.gz) = 2c92beb9a9a6f2cad039c9eb402b7780e7190a94
-RMD160 (chilitags-1.3.0.tar.gz) = 58df2d00848036daf14d98f49ebd388f9694b0c9
-Size (chilitags-1.3.0.tar.gz) = 127448 bytes
+SHA1 (chilitags-1.3.1.tar.gz) = 50107bcbf2e31c2bbfec56973503843713afdf4d
+RMD160 (chilitags-1.3.1.tar.gz) = fbe1c4d00f28b9bf4dce026b8ee92026147dc5dd
+Size (chilitags-1.3.1.tar.gz) = 127442 bytes