diff --git a/math/py-pycosat/Makefile b/math/py-pycosat/Makefile
index e1ff810d9e2f..2b6d3021e907 100644
--- a/math/py-pycosat/Makefile
+++ b/math/py-pycosat/Makefile
@@ -2,7 +2,7 @@
 # $FreeBSD$
 
 PORTNAME=	pycosat
-PORTVERSION=	0.6.1
+PORTVERSION=	0.6.3
 CATEGORIES=	math python
 MASTER_SITES=	CHEESESHOP
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
@@ -15,7 +15,7 @@ LICENSE_FILE=	${WRKSRC}/LICENSE
 
 LIB_DEPENDS=	libpicosat.so:math/picosat
 
-USES=		python
+USES=		python zip
 USE_PYTHON=	autoplist distutils
 
 PYDISTUTILS_BUILDARGS=	build_ext \
diff --git a/math/py-pycosat/distinfo b/math/py-pycosat/distinfo
index 16c115e23fa7..6c2d47a28b3d 100644
--- a/math/py-pycosat/distinfo
+++ b/math/py-pycosat/distinfo
@@ -1,2 +1,3 @@
-SHA256 (pycosat-0.6.1.tar.gz) = d438c488da6dd7bbb23ca8ac10531f1fbbd117bdbc2e6245382c1fe202e483ce
-SIZE (pycosat-0.6.1.tar.gz) = 59270
+TIMESTAMP = 1533608453
+SHA256 (pycosat-0.6.3.zip) = 4c99874946a7e939bb941bbb019dd2c20e6068e3107c91366e7779c69d70e0ed
+SIZE (pycosat-0.6.3.zip) = 66825