diff --git a/ports/mlpack/CONTROL b/ports/mlpack/CONTROL
index 7c997451023ad2..e424e6cad08e57 100644
--- a/ports/mlpack/CONTROL
+++ b/ports/mlpack/CONTROL
@@ -1,9 +1,8 @@
 Source: mlpack
-Version: 3.2.2
-Port-Version: 6
+Version: 3.4.1
 Homepage: https://github.com/mlpack/mlpack
 Description: mlpack is a fast, flexible machine learning library, written in C++, that aims to provide fast, extensible implementations of cutting-edge machine learning algorithms.
-Build-Depends: openblas, lapack, boost, armadillo, ensmallen, stb
+Build-Depends: boost, armadillo, ensmallen, stb
 Supports: !uwp
 
 Feature: tools
diff --git a/ports/mlpack/cmakelists.patch b/ports/mlpack/cmakelists.patch
index 79f176419bed90..278d80f96e607e 100644
--- a/ports/mlpack/cmakelists.patch
+++ b/ports/mlpack/cmakelists.patch
@@ -1,49 +1,17 @@
 diff --git a/CMakeLists.txt b/CMakeLists.txt
-index 26757a5..c200b40 100644
+index 6fe6d81..b59555c 100644
 --- a/CMakeLists.txt
 +++ b/CMakeLists.txt
-@@ -288,6 +282,7 @@ endif()
- # and find LAPACK and BLAS ourselves, using a slightly modified variant of the
- # script Armadillo uses to find these.
- if (WIN32)
-+ if(0)
-   find_library(LAPACK_LIBRARY
-       NAMES lapack liblapack lapack_win32_MT lapack_win32
-       PATHS "C:/Program Files/Armadillo"
-@@ -305,24 +306,25 @@ if (WIN32)
-   if (NOT BLAS_LIBRARY)
-     message(FATAL_ERROR "Cannot find BLAS library (.lib)!")
-   endif ()
-+ endif()
- 
-+  find_package(LAPACK REQUIRED)
-+  find_package(BLAS REQUIRED)
-   # Piggyback LAPACK and BLAS linking into Armadillo link.
-   set(ARMADILLO_LIBRARIES
--      ${ARMADILLO_LIBRARIES} ${BLAS_LIBRARY} ${LAPACK_LIBRARY})
-+      ${ARMADILLO_LIBRARIES} ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES})
- 
-   # Ensure that the libraries are added to the MSVC IDE runtime path.
--  get_filename_component(BLAS_DIR ${BLAS_LIBRARY} DIRECTORY)
--  get_filename_component(LAPACK_DIR ${LAPACK_LIBRARY} DIRECTORY)
- 
-   # Sometimes, especially with an OpenBLAS install via nuget, the DLLs are
-   # actually in ../../bin/x64/.  Automatically add these.
--  if (EXISTS "${BLAS_DIR}/../../bin/x64/")
--    get_filename_component(BLAS_DLL_DIR "${BLAS_DIR}/../../bin/x64" ABSOLUTE)
-+  if (0)
-+    get_filename_component(BLAS_DLL_DIR "${BLAS_DIR}" ABSOLUTE)
-     set(DLL_COPY_DIRS ${DLL_COPY_DIRS} "${BLAS_DLL_DIR}")
-   endif ()
- 
--  if (EXISTS "${LAPACK_DIR}/../../bin/x64/")
--    get_filename_component(LAPACK_DLL_DIR "${LAPACK_DIR}/../../bin/x64" ABSOLUTE)
-+  if (0)
-+    get_filename_component(LAPACK_DLL_DIR "${LAPACK_DIR}" ABSOLUTE)
-     set(DLL_COPY_DIRS ${DLL_COPY_DIRS} "${BLAS_DLL_DIR}")
-   endif ()
- endif ()
-@@ -415,8 +423,8 @@ if (NOT ENSMALLEN_FOUND)
+@@ -291,7 +291,7 @@ endif()
+ #   ENSMALLEN_INCLUDE_DIR - include directory for ensmallen
+ #   STB_IMAGE_INCLUDE_DIR - include directory for STB image library
+ #   MATHJAX_ROOT - root of MathJax installation
+-find_package(Armadillo "${ARMADILLO_VERSION}" REQUIRED)
++find_package(Armadillo CONFIG "${ARMADILLO_VERSION}" REQUIRED)
+ 
+ # Include directories for the previous dependencies.
+ set(MLPACK_INCLUDE_DIRS ${MLPACK_INCLUDE_DIRS} ${ARMADILLO_INCLUDE_DIRS})
+@@ -388,8 +388,8 @@ if (NOT ENSMALLEN_FOUND)
              "Successfully downloaded ensmallen into ${CMAKE_BINARY_DIR}/deps/${ENSMALLEN_INCLUDE_DIR}/")
  
          # Now we have to also ensure these header files get installed.
@@ -54,7 +22,7 @@ index 26757a5..c200b40 100644
        else ()
          message(FATAL_ERROR "Problem unpacking ensmallen!  Expected only one directory ensmallen-x.y.z/; found ${ENS_DIRECTORIES}. Try removing the directory ${CMAKE_BINARY_DIR}/deps and reconfiguring.")
        endif ()
-@@ -472,6 +480,7 @@ find_package(Boost 1.49
+@@ -446,6 +446,7 @@ find_package(Boost "${BOOST_VERSION}"
      REQUIRED
  )
  
@@ -62,7 +30,7 @@ index 26757a5..c200b40 100644
  link_directories(${Boost_LIBRARY_DIRS})
  
  # In Visual Studio, automatic linking is performed, so we don't need to worry
-@@ -483,10 +492,12 @@ if (MSVC)
+@@ -457,10 +458,12 @@ if (MSVC)
    message("boost lib dirs ${Boost_LIBRARY_DIRS}")
    set(Boost_LIBRARIES "")
  endif ()
diff --git a/ports/mlpack/portfile.cmake b/ports/mlpack/portfile.cmake
index 11f6aa815ad9a7..bfc30ace794be9 100644
--- a/ports/mlpack/portfile.cmake
+++ b/ports/mlpack/portfile.cmake
@@ -1,8 +1,8 @@
 vcpkg_from_github(
     OUT_SOURCE_PATH SOURCE_PATH
     REPO mlpack/mlpack
-    REF a8af4882af5e163ae8c8023653c66c8914ac1c22 # 3.2.2
-    SHA512 879dd24f6cface3e6e1a0990e912ca4463060725c7c105e1e7d228c90123b1f44728cbe1ae327fa20e0e4981626a5d1eb2c411257899ef849c9600891616eed4
+    REF 7ae9ddda86c1751b6509ceb48b27d182feaae439 # 3.4.1
+    SHA512 db68c16b80af7037ac562f93775b6262f1552fbc89daa0c621075e2ff70a8306523da8eb74e33ac15ba34c9ccef8f2746bd1e4efa7c280a5be77b53c69d3f9a1
     HEAD_REF master
     PATCHES
         cmakelists.patch
@@ -35,6 +35,9 @@ vcpkg_configure_cmake(
         ${FEATURE_OPTIONS}
 )
 vcpkg_install_cmake()
+
+vcpkg_fixup_cmake_targets(CONFIG_PATH lib/cmake/mlpack)
+
 vcpkg_copy_pdbs()
 
 if("tools" IN_LIST FEATURES)
@@ -85,6 +88,9 @@ if("tools" IN_LIST FEATURES)
         mlpack_range_search
         mlpack_softmax_regression
         mlpack_sparse_coding
+        mlpack_image_converter
+        mlpack_bayesian_linear_regression
+        mlpack_preprocess_one_hot_encoding
     )
 endif()