diff --git a/devel/binaryen/Makefile b/devel/binaryen/Makefile
index bc6e4b3a13b0..3638f885f4b7 100644
--- a/devel/binaryen/Makefile
+++ b/devel/binaryen/Makefile
@@ -1,21 +1,23 @@
 # $FreeBSD$
 
 PORTNAME=	binaryen
-DISTVERSION=	1.38.32
-PORTREVISION=	1
+DISTVERSIONPREFIX=	version_
+DISTVERSION=	90
 CATEGORIES=	devel
 
 MAINTAINER=	greg@unrelenting.technology
 COMMENT=	Compiler infrastructure and toolchain library for WebAssembly
 
 LICENSE=	APACHE20
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 USES=		cmake python:2.7,build compiler:c++11-lang
 USE_GITHUB=	yes
 GH_ACCOUNT=	WebAssembly
 USE_LDCONFIG=	yes
 
+CMAKE_ARGS=	-DBINARYEN_VERSION_INFO=${DISTVERSION}
+
 BINARY_ALIAS=	python=${PYTHON_CMD}
 
 .include <bsd.port.mk>
diff --git a/devel/binaryen/distinfo b/devel/binaryen/distinfo
index 2adcf2e82b66..21bbad28f4d6 100644
--- a/devel/binaryen/distinfo
+++ b/devel/binaryen/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1562265330
-SHA256 (WebAssembly-binaryen-1.38.32_GH0.tar.gz) = 519b1dae68b110dd3c514edcdd2991d4c3693082bb06ac525724a5875bb7bdbf
-SIZE (WebAssembly-binaryen-1.38.32_GH0.tar.gz) = 2862531
+TIMESTAMP = 1578881429
+SHA256 (WebAssembly-binaryen-version_90_GH0.tar.gz) = 9bed0a307e3f4782402b5944426f298dbad0028a93c83068ef10af9e3ff27e2b
+SIZE (WebAssembly-binaryen-version_90_GH0.tar.gz) = 3840869
diff --git a/devel/binaryen/files/patch-CMakeLists.txt b/devel/binaryen/files/patch-CMakeLists.txt
new file mode 100644
index 000000000000..463f52c4aa01
--- /dev/null
+++ b/devel/binaryen/files/patch-CMakeLists.txt
@@ -0,0 +1,18 @@
+--- CMakeLists.txt.orig	2020-01-13 02:56:13 UTC
++++ CMakeLists.txt
+@@ -11,6 +11,7 @@ endif()
+ # more useful error reports from users.
+ option(BYN_ENABLE_ASSERTIONS "Enable assertions" ON)
+ 
++if (FALSE)
+ find_package(Git QUIET REQUIRED)
+ execute_process(COMMAND
+              "${GIT_EXECUTABLE}" --git-dir=${CMAKE_CURRENT_SOURCE_DIR}/.git describe --tags
+@@ -24,6 +25,7 @@ if(${GIT_HASH_RESULT})
+   set(BINARYEN_VERSION_INFO "(unable to determine version)")
+ else()
+   set(BINARYEN_VERSION_INFO "${GIT_HASH}")
++endif()
+ endif()
+ configure_file(config.h.in config.h)
+