diff --git a/math/lean/Makefile b/math/lean/Makefile
index 67bb222dfe36..40d0c6613420 100644
--- a/math/lean/Makefile
+++ b/math/lean/Makefile
@@ -1,32 +1,32 @@
 PORTNAME=	lean
 DISTVERSIONPREFIX=	v
-DISTVERSION=	3.42.0
+DISTVERSION=	3.42.1
 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 96c20cdb9df7..d03b3b3823a1 100644
--- a/math/lean/distinfo
+++ b/math/lean/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1647732048
-SHA256 (leanprover-community-lean-v3.42.0_GH0.tar.gz) = b6f96feb25f55c346daadee4f7277fbd9694d3f3f3507ce8cfd9539a04066680
-SIZE (leanprover-community-lean-v3.42.0_GH0.tar.gz) = 1908134
+TIMESTAMP = 1648348914
+SHA256 (leanprover-community-lean-v3.42.1_GH0.tar.gz) = 5b8cbfdea6cf4de5488467297958876aa0b3a79ed5806f7d0f01a0c396beb4e2
+SIZE (leanprover-community-lean-v3.42.1_GH0.tar.gz) = 1908398