diff --git a/security/seal/Makefile b/security/seal/Makefile
index 68197ab59877..0fbaa4b325e6 100644
--- a/security/seal/Makefile
+++ b/security/seal/Makefile
@@ -1,27 +1,27 @@
 PORTNAME=	seal
-DISTVERSION=	3.7.3
+DISTVERSION=	4.0.0
 CATEGORIES=	security
 
 MAINTAINER=	lwhsu@FreeBSD.org
 COMMENT=	Microsoft Simple Encrypted Arithmetic Library
 
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 USES=		cmake:testing compiler:c++17-lang
 USE_GITHUB=	yes
 GH_ACCOUNT=	Microsoft
 GH_PROJECT=	SEAL
 USE_LDCONFIG=	yes
 
 CMAKE_ON=	BUILD_SHARED_LIBS
 CMAKE_OFF=	SEAL_USE_MSGSL SEAL_USE_ZLIB SEAL_USE_ZSTD # project clones repositories instead of using exrernal packages, see https://github.com/microsoft/SEAL/issues/329
 CMAKE_TESTING_ON=	SEAL_BUILD_TESTS
 CMAKE_TESTING_TARGET=	gtest
 
 PLIST_SUB+=	VERSION=${DISTVERSION} VER=${DISTVERSION:R}
 
 post-test: # run tests
 	@cd ${BUILD_WRKSRC} && bin/sealtest
 
 .include <bsd.port.mk>
diff --git a/security/seal/distinfo b/security/seal/distinfo
index 7e514ee5002f..fcfa8e550adc 100644
--- a/security/seal/distinfo
+++ b/security/seal/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1647490899
-SHA256 (Microsoft-SEAL-3.7.3_GH0.tar.gz) = 995bec08778aa8f90ac4b4592de759c179dc977ffac0dda3a7f1f4a8a6fcc69d
-SIZE (Microsoft-SEAL-3.7.3_GH0.tar.gz) = 594700
+TIMESTAMP = 1647580311
+SHA256 (Microsoft-SEAL-4.0.0_GH0.tar.gz) = 616653498ba8f3e0cd23abef1d451c6e161a63bd88922f43de4b3595348b5c7e
+SIZE (Microsoft-SEAL-4.0.0_GH0.tar.gz) = 612928