diff --git a/math/lean/Makefile b/math/lean/Makefile
index 4bb9c2592c6b..055dd155831e 100644
--- a/math/lean/Makefile
+++ b/math/lean/Makefile
@@ -1,27 +1,39 @@
 PORTNAME=	lean
 DISTVERSIONPREFIX=	v
-DISTVERSION=	3.47.0
+DISTVERSION=	3.48.0
 CATEGORIES=	math
 
+PATCH_SITES=	https://github.com/${GH_ACCOUNT}/${GH_PROJECT}/commit/
+PATCHFILES=	5eecaa0b9c860858372a22ab242566671907c913.patch:-p2
+
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Theorem prover
 
 LICENSE=	APACHE20
 LICENSE_FILE=	${WRKSRC}/../LICENSE
 
 LIB_DEPENDS=	libgmp.so:math/gmp
 
 USES=		cmake:testing compiler:c++11-lang
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	leanprover-community
 
 WRKSRC_SUBDIR=	src
 
 CMAKE_OFF=	BUILD_TESTING
 CMAKE_TESTING_ON=	BUILD_TESTING
 
+OPTIONS_DEFINE=		TCMALLOC THREADS
+OPTIONS_DEFAULT=	TCMALLOC THREADS
+
+TCMALLOC_DESC=		Use tcmalloc from google-perftools as memory allocator
+TCMALLOC_CMAKE_BOOL=	TCMALLOC
+TCMALLOC_LIB_DEPENDS=	libtcmalloc.so:devel/google-perftools
+
+THREADS_CMAKE_BOOL=	MULTI_THREAD
+
 post-install:
 	@${FIND} ${STAGEDIR}${PREFIX} -type d -empty -delete
 
 .include <bsd.port.mk>
diff --git a/math/lean/distinfo b/math/lean/distinfo
index e0eb5a852253..1d785049667c 100644
--- a/math/lean/distinfo
+++ b/math/lean/distinfo
@@ -1,3 +1,5 @@
-TIMESTAMP = 1661720611
-SHA256 (leanprover-community-lean-v3.47.0_GH0.tar.gz) = 2655f9530aa38caa4468870add4ca32381af03bfde55282ff680998d494c5d70
-SIZE (leanprover-community-lean-v3.47.0_GH0.tar.gz) = 1917990
+TIMESTAMP = 1662004177
+SHA256 (leanprover-community-lean-v3.48.0_GH0.tar.gz) = 07e42b5b040825b6fc2b320784541e1dcc94d189db1ef9f51573ec3eaec74727
+SIZE (leanprover-community-lean-v3.48.0_GH0.tar.gz) = 1918012
+SHA256 (5eecaa0b9c860858372a22ab242566671907c913.patch) = 971765311b28bfc850803f355e9607dee5aa537565d24ffdc52562b6d874e99a
+SIZE (5eecaa0b9c860858372a22ab242566671907c913.patch) = 3218