diff --git a/math/lean/Makefile b/math/lean/Makefile
index 2e26b313c211..8d7dde1d0b1e 100644
--- a/math/lean/Makefile
+++ b/math/lean/Makefile
@@ -1,32 +1,32 @@
 PORTNAME=	lean
 DISTVERSIONPREFIX=	v
-DISTVERSION=	3.39.2
+DISTVERSION=	3.40.0
 CATEGORIES=	math
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Theorem prover
 
 LICENSE=	APACHE20
 LICENSE_FILE=	${WRKSRC}/../LICENSE
 
 LIB_DEPENDS=	libgmp.so:math/gmp
 
 USES=		cmake compiler:c++11-lang
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	leanprover-community
 
 WRKSRC_SUBDIR=	src
 
 CMAKE_OFF=	BUILD_TESTING
 
 post-install:
 	@${FIND} ${STAGEDIR}${PREFIX} -type d -empty -delete
 
 do-test:
 	@cd ${BUILD_WRKSRC} && \
 		${SETENV} ${CONFIGURE_ENV} ${CMAKE_BIN} ${CMAKE_ARGS} -DBUILD_TESTING:BOOL=ON ${CMAKE_SOURCE_PATH} && \
 		${SETENV} ${MAKE_ENV} ${MAKE_CMD} ${MAKE_ARGS} ${ALL_TARGET} && \
 		${SETENV} ${MAKE_ENV} ${MAKE_CMD} ${MAKE_ARGS} test
 
 .include <bsd.port.mk>
diff --git a/math/lean/distinfo b/math/lean/distinfo
index 8c5211820abd..0b58c4f54f3c 100644
--- a/math/lean/distinfo
+++ b/math/lean/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1645199810
-SHA256 (leanprover-community-lean-v3.39.2_GH0.tar.gz) = 03ce33eed1e6e8afa949c52856a0b9b9ec1ab0513c06210ad9e74ee7c2fc8018
-SIZE (leanprover-community-lean-v3.39.2_GH0.tar.gz) = 1878587
+TIMESTAMP = 1645633856
+SHA256 (leanprover-community-lean-v3.40.0_GH0.tar.gz) = 955496d97b2193fea3609a3f3f7ad9cab6413e0d0ea6c1a03d6c1656a2ec08ef
+SIZE (leanprover-community-lean-v3.40.0_GH0.tar.gz) = 1878547