diff --git a/www/py-isso/Makefile b/www/py-isso/Makefile
index 3c70e30..01c4ef7 100644
--- a/www/py-isso/Makefile
+++ b/www/py-isso/Makefile
@@ -1,7 +1,7 @@
 # created by Rene Thuemmler <rt@scientifics.de>
 
 PORTNAME=	isso
-PORTVERSION=	0.12.6.2
+PORTVERSION=	0.13.0
 CATEGORIES=	www python
 MASTER_SITES=	CHEESESHOP
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
@@ -15,7 +15,6 @@ LICENSE_FILE=	$(WRKSRC)/LICENSE
 RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}Jinja2>0:devel/py-Jinja2@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}bleach>0:www/py-bleach@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}werkzeug>=1.0.0:www/py-werkzeug@${PY_FLAVOR} \
-		${PYTHON_PKGNAMEPREFIX}flask-caching>=1.10.0:www/py-flask-caching@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}html5lib>0:www/py-html5lib@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}misaka>=2.0<3.0:textproc/py-misaka@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}itsdangerous>0:security/py-itsdangerous@${PY_FLAVOR} \
@@ -32,13 +31,13 @@ GROUPS=		www
 
 USE_RC_SUBR=	isso
 
-PLIST_FILES=	"@sample etc/isso.conf.sample"
+PLIST_FILES=	"@sample etc/isso.cfg.sample"
 
 post-patch:
-	@${REINPLACE_CMD} -e 's|/etc/isso.conf|${PREFIX}/etc/isso.conf|g' ${WRKSRC}/isso/__init__.py
+	@${REINPLACE_CMD} -e 's|/etc/isso.cfg|${PREFIX}/etc/isso.cfg|g' ${WRKSRC}/isso/__init__.py
 
 post-install:
 	@${MKDIR} ${STAGEDIR}${PREFIX}/etc
-	${CP} ${WRKSRC}/share/isso.conf ${STAGEDIR}${PREFIX}/etc/isso.conf.sample
+	${CP} ${WRKSRC}/isso/isso.cfg ${STAGEDIR}${PREFIX}/etc/isso.cfg.sample
 
 .include <bsd.port.mk>
diff --git a/www/py-isso/distinfo b/www/py-isso/distinfo
index a1cfd7c..26eb495 100644
--- a/www/py-isso/distinfo
+++ b/www/py-isso/distinfo
@@ -1,2 +1,4 @@
+SHA256 (isso-0.13.0.tar.gz) = 032f2155c642c8c1c903a8f7cd6fd94b7bdf0f499fc7e19dee6024d38e076ea3
+SIZE (isso-0.13.0.tar.gz) = 185824
 SHA256 (isso-0.12.6.2.tar.gz) = 9eaadbb54a070326ebb5afd5055a1a8cdd268e38478f6f00bd80feca50ac6343
 SIZE (isso-0.12.6.2.tar.gz) = 150023
diff --git a/www/py-isso/files/isso.in b/www/py-isso/files/isso.in
index bd834a3..ea4cb31 100755
--- a/www/py-isso/files/isso.in
+++ b/www/py-isso/files/isso.in
@@ -22,7 +22,7 @@ load_rc_config ${name}
 
 : ${isso_enable:=NO}
 : ${isso_bin=/usr/local/bin/isso}
-: ${isso_config=/usr/local/etc/isso.conf}
+: ${isso_config=/usr/local/etc/isso.cfg}
 : ${isso_user=www}
 
 logfile=/var/log/isso.log
diff --git a/www/py-isso/pkg-message b/www/py-isso/pkg-message
index c58cab2..142c796 100644
--- a/www/py-isso/pkg-message
+++ b/www/py-isso/pkg-message
@@ -1,18 +1,21 @@
 [
 {
   message: <<EOM
-please inspect and customize isso.conf. To run as a service you should add
+please inspect and customize isso.cfg. To run as a service you should add
 isso_enable="YES" to your rc.conf. You can also change if needed:
 
 isso_bin="/usr/local/bin/isso"
-isso_config="/usr/local/etc/isso.conf"
+isso_config="/usr/local/etc/isso.cfg"
 isso_user="www"
+
+with the update to version 1.13.0 config file extension was renamed to cfg
+you might want to rename your config file the same possibly.
 EOM
 }
 {
   type: remove
   message: <<EOM
-you might want to remove isso.conf if present.
+you might want to remove isso.cfg if present.
 EOM
 }
 ]