diff --git a/devel/grpc/Makefile b/devel/grpc/Makefile
index 3a62fe350796..07776eef129e 100644
--- a/devel/grpc/Makefile
+++ b/devel/grpc/Makefile
@@ -2,9 +2,10 @@
 # $FreeBSD$
 
 PORTNAME=	grpc
-PORTVERSION=	1.14.0
+PORTVERSION=	1.13.1
 DISTVERSIONPREFIX=	v
 PORTREVISION=	0
+PORTEPOCH=	1
 CATEGORIES=	devel
 
 MAINTAINER=	vanilla@FreeBSD.org
diff --git a/devel/grpc/distinfo b/devel/grpc/distinfo
index 9895c238484c..b25396cb5f0e 100644
--- a/devel/grpc/distinfo
+++ b/devel/grpc/distinfo
@@ -1,5 +1,5 @@
-TIMESTAMP = 1533297607
-SHA256 (grpc-grpc-v1.14.0_GH0.tar.gz) = ad7686301cf828e2119c66571031bd8d18f93240ae05d81adaa279e1cc91c301
-SIZE (grpc-grpc-v1.14.0_GH0.tar.gz) = 13890054
+TIMESTAMP = 1531830492
+SHA256 (grpc-grpc-v1.13.1_GH0.tar.gz) = af0d41b5fab2797a3bd71bfe1b8c94e553b7c7317f87f664de26bafbf75677c4
+SIZE (grpc-grpc-v1.13.1_GH0.tar.gz) = 13757818
 SHA256 (google-benchmark-v1.4.1_GH0.tar.gz) = f8e525db3c42efc9c7f3bc5176a8fa893a9a9920bbd08cef30fb56a51854d60d
 SIZE (google-benchmark-v1.4.1_GH0.tar.gz) = 126850
diff --git a/devel/grpc/pkg-plist b/devel/grpc/pkg-plist
index 2af47c9ef39f..82693004d9f1 100644
--- a/devel/grpc/pkg-plist
+++ b/devel/grpc/pkg-plist
@@ -107,7 +107,6 @@ include/grpc/impl/codegen/fork.h
 include/grpc/impl/codegen/gpr_slice.h
 include/grpc/impl/codegen/gpr_types.h
 include/grpc/impl/codegen/grpc_types.h
-include/grpc/impl/codegen/log.h
 include/grpc/impl/codegen/port_platform.h
 include/grpc/impl/codegen/propagation_bits.h
 include/grpc/impl/codegen/slice.h
@@ -154,7 +153,6 @@ include/grpcpp/health_check_service_interface.h
 include/grpcpp/impl/call.h
 include/grpcpp/impl/channel_argument_option.h
 include/grpcpp/impl/client_unary_call.h
-include/grpcpp/impl/codegen/async_generic_service.h
 include/grpcpp/impl/codegen/async_stream.h
 include/grpcpp/impl/codegen/async_unary_call.h
 include/grpcpp/impl/codegen/byte_buffer.h