diff --git a/math/mlpack/Makefile b/math/mlpack/Makefile
index 3727284a9137..52cbb63de701 100644
--- a/math/mlpack/Makefile
+++ b/math/mlpack/Makefile
@@ -1,39 +1,39 @@
 PORTNAME=	mlpack
-DISTVERSION=	4.0.0
+DISTVERSION=	4.0.1
 CATEGORIES=	math # machine-learning
 MASTER_SITES=	https://mlpack.org/files/
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Fast, flexible machine learning library
 WWW=		https://www.mlpack.org/
 
 LICENSE=	BSD3CLAUSE
 
 BROKEN_i386=	undefined symbol: __atomic_load
 
 BUILD_DEPENDS=	cereal>0:devel/cereal \
 		ensmallen>0:math/ensmallen \
 		${LOCALBASE}/include/stb/stb_image.h:devel/stb
 LIB_DEPENDS=	libboost_program_options.so:devel/boost-libs \
 		libboost_unit_test_framework.so:devel/boost-libs \
 		libboost_serialization.so:devel/boost-libs \
 		libarmadillo.so:math/armadillo
 
 USES=		cmake:testing compiler:c++14-lang pkgconfig
 USE_LDCONFIG=	yes
 
 CMAKE_ARGS=	-DSTB_IMAGE_INCLUDE_DIR=${LOCALBASE}/include/stb
 CMAKE_OFF=	BUILD_PYTHON_BINDINGS BUILD_TESTS
 CMAKE_TESTING_ON=	BUILD_TESTS
 
 BINARY_ALIAS=	git=false
 
 OPTIONS_DEFINE=		EXECUTABLES
 OPTIONS_DEFAULT=	EXECUTABLES
 OPTIONS_SUB=		yes
 
 EXECUTABLES_DESC=	Build command-line executables
 EXECUTABLES_CMAKE_BOOL=	BUILD_CLI_EXECUTABLES
 EXECUTABLES_VARS_OFF=	NO_ARCH=yes
 
 .include <bsd.port.mk>
diff --git a/math/mlpack/distinfo b/math/mlpack/distinfo
index 1a5c6482cae4..bb801601dd04 100644
--- a/math/mlpack/distinfo
+++ b/math/mlpack/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1668503967
-SHA256 (mlpack-4.0.0.tar.gz) = 041d9eee96445667d2f7b970d2a799592027f1f8818cd96a65dcce1ac0745773
-SIZE (mlpack-4.0.0.tar.gz) = 5895954
+TIMESTAMP = 1672452144
+SHA256 (mlpack-4.0.1.tar.gz) = 4c746936ed9da9f16744240ed7b9f2815d3abb90c904071a1d1a628a9bbfb3a5
+SIZE (mlpack-4.0.1.tar.gz) = 5907120
diff --git a/math/mlpack/files/patch-src_mlpack_tests_CMakeLists.txt b/math/mlpack/files/patch-src_mlpack_tests_CMakeLists.txt
deleted file mode 100644
index 55d78e15a596..000000000000
--- a/math/mlpack/files/patch-src_mlpack_tests_CMakeLists.txt
+++ /dev/null
@@ -1,13 +0,0 @@
-- workaround for https://github.com/mlpack/mlpack/issues/3314
-
---- src/mlpack/tests/CMakeLists.txt.orig	2022-11-15 09:59:36 UTC
-+++ src/mlpack/tests/CMakeLists.txt
-@@ -4,7 +4,7 @@ message("YURI: in tests")
- 
- # mlpack test executable.
- add_executable(mlpack_test
--  EXCLUDE_FROM_ALL
-+  #EXCLUDE_FROM_ALL
-   ${MLPACK_TEST_SRCS}
- 
-   # Tests for neural network code (and reinforcement learning code).