Index: head/databases/erlang-epgsql/Makefile
===================================================================
--- head/databases/erlang-epgsql/Makefile	(revision 451743)
+++ head/databases/erlang-epgsql/Makefile	(revision 451744)
@@ -1,16 +1,16 @@
 # $FreeBSD$
 
 PORTNAME=	epgsql
-PORTVERSION=	3.3.0
+PORTVERSION=	3.4.0
 CATEGORIES=	databases
 PKGNAMEPREFIX=	erlang-
 
 MAINTAINER=	olgeni@FreeBSD.org
 COMMENT=	Erlang PostgreSQL Database Client
 
 LICENSE=	BSD3CLAUSE
 
-USES=		erlang:rebar
+USES=		erlang:rebar3
 USE_GITHUB=	yes
 
 .include <bsd.port.mk>
Index: head/databases/erlang-epgsql/distinfo
===================================================================
--- head/databases/erlang-epgsql/distinfo	(revision 451743)
+++ head/databases/erlang-epgsql/distinfo	(revision 451744)
@@ -1,3 +1,3 @@
-TIMESTAMP = 1484583590
-SHA256 (epgsql-epgsql-3.3.0_GH0.tar.gz) = 12e2c381894ccc2f095b3dd47efe53a2115021314b4b0ccdbcbd18688d8d3a6f
-SIZE (epgsql-epgsql-3.3.0_GH0.tar.gz) = 54475
+TIMESTAMP = 1507725477
+SHA256 (epgsql-epgsql-3.4.0_GH0.tar.gz) = e022e2da0d0c0043a37f2a1506b0d3245f6d49a4f231599936c2cb36dceb59f8
+SIZE (epgsql-epgsql-3.4.0_GH0.tar.gz) = 55422