diff --git a/mingw-w64-eigen3/PKGBUILD b/mingw-w64-eigen3/PKGBUILD
index b69349ac25..2c8094d7a3 100644
--- a/mingw-w64-eigen3/PKGBUILD
+++ b/mingw-w64-eigen3/PKGBUILD
@@ -3,7 +3,7 @@
 _realname=eigen
 pkgbase=mingw-w64-${_realname}3
 pkgname=("${MINGW_PACKAGE_PREFIX}-${_realname}3")
-pkgver=3.4.0
+pkgver=5.0.0
 pkgrel=1
 pkgdesc="Lightweight C++ template library for vector and matrix math (mingw-w64)"
 arch=('any')
@@ -14,47 +14,38 @@ msys2_references=(
   'archlinux: eigen'
 )
 license=('spdx:MPL-2.0')
+depends=("${MINGW_PACKAGE_PREFIX}-cc-libs")
 makedepends=("${MINGW_PACKAGE_PREFIX}-cc"
+             "${MINGW_PACKAGE_PREFIX}-fc"
              "${MINGW_PACKAGE_PREFIX}-cmake"
-             "${MINGW_PACKAGE_PREFIX}-boost"
-             "${MINGW_PACKAGE_PREFIX}-fftw"
-             "${MINGW_PACKAGE_PREFIX}-mpfr"
              "${MINGW_PACKAGE_PREFIX}-doxygen")
 source=("https://gitlab.com/libeigen/eigen/-/archive/${pkgver}/eigen-${pkgver}.tar.bz2"
-        'eigen-3.1.2_osversion.patch'
-        'TryRunResults.cmake'
-        'eigen-pkgconfig.patch'
-        'install_FindEigen3.patch')
-sha256sums=('b4c198460eba6f28d34894e3a5710998818515104d6e74e5cc331ce31e46e626'
-            '604b5c33e98a5873a81bb92a734dbf30547b482fde519aed5abc5e9ff2dffc6b'
-            '9ebec4761a7de150ade4b421407a4b5148065416fa8010ecfbdd404bab68f899'
-            '38d41a475a65de5ad92d1939c9f4fa7460b8152d5beb7256bcbaf630460b5c89'
-            'c219f577e51571482fdfb38aec104c806cc6ee4c455627d70e99e59d2df7c32d')
+        'eigen-pkgconfig.patch')
+sha256sums=('bc5888a4e8538af18d4734c4266a538c7490200f76bc978b66299600189d51c2'
+            '52424a065bb6efd16c954294199fa0dcee5cad1d91a138f1305668a16bbb1604')
 
 prepare() {
   cd "${srcdir}"/eigen-${pkgver}
 
-  patch -Np2 -i "${srcdir}/eigen-3.1.2_osversion.patch"
   patch -Np1 -i "${srcdir}/eigen-pkgconfig.patch"
-  patch -Np1 -i "${srcdir}/install_FindEigen3.patch"
 }
 
 build() {
-  mkdir -p build-${MSYSTEM} && cd build-${MSYSTEM}
-
   MSYS2_ARG_CONV_EXCL="-DCMAKE_INSTALL_PREFIX=" \
   ${MINGW_PREFIX}/bin/cmake.exe \
-    -G"MSYS Makefiles" \
+    -G"Ninja" \
     -DCMAKE_INSTALL_PREFIX=${MINGW_PREFIX} \
     -DEIGEN_BUILD_PKGCONFIG=ON \
-    -DFFTW_USE_STATIC_LIBS=ON \
-    -DFFTW_ROOT=${MINGW_PREFIX} \
-    ../eigen-${pkgver}
+    -DEIGEN_BUILD_TESTING=OFF \
+    -DEIGEN_BUILD_DEMOS=OFF \
+    -S eigen-${pkgver} \
+    -B build-${MSYSTEM}
 
-  ${MINGW_PREFIX}/bin/cmake --build .
+  ${MINGW_PREFIX}/bin/cmake --build build-${MSYSTEM}
 }
 
 package() {
-  cd "${srcdir}"/build-${MSYSTEM}
-  DESTDIR="${pkgdir}" ${MINGW_PREFIX}/bin/cmake --install .
+  DESTDIR="${pkgdir}" ${MINGW_PREFIX}/bin/cmake --install build-${MSYSTEM}
+
+  install -Dm644 eigen-${pkgver}/COPYING.* -t "${pkgdir}"${MINGW_PREFIX}/share/licenses/${_realname}
 }
diff --git a/mingw-w64-eigen3/TryRunResults.cmake b/mingw-w64-eigen3/TryRunResults.cmake
deleted file mode 100644
index cdb273a985..0000000000
--- a/mingw-w64-eigen3/TryRunResults.cmake
+++ /dev/null
@@ -1,30 +0,0 @@
-# This file was generated by CMake because it detected TRY_RUN() commands
-# in crosscompiling mode. It will be overwritten by the next CMake run.
-# Copy it to a safe location, set the variables to appropriate values
-# and use it then to preset the CMake cache (using -C).
-
-
-# run_res
-#    indicates whether the executable would have been able to run on its
-#    target platform. If so, set run_res to
-#    the exit code (in many cases 0 for success), otherwise enter "FAILED_TO_RUN".
-# run_res__TRYRUN_OUTPUT
-#    contains the text the executable would have printed on stdout and stderr.
-#    If the executable would not have been able to run, set run_res__TRYRUN_OUTPUT empty.
-#    Otherwise check if the output is evaluated by the calling CMake code. If so,
-#    check what the source file would have printed when called with the given arguments.
-# The compile_res variable holds the build result for this TRY_RUN().
-# 
-# Source file   : /home/sandro/rpmbuild/BUILD/eigen-eigen-5097c01bcdc4/build_win32/is64.cpp
-# Executable    : /home/sandro/rpmbuild/BUILD/eigen-eigen-5097c01bcdc4/build_win32/CMakeFiles/cmTryCompileExec75681192-run_res.exe
-# Run arguments : 
-#    Called from: [2]	/home/sandro/rpmbuild/BUILD/eigen-eigen-5097c01bcdc4/cmake/EigenConfigureTesting.cmake
-#                 [1]	/home/sandro/rpmbuild/BUILD/eigen-eigen-5097c01bcdc4/CMakeLists.txt
-
-SET( run_res 
-     0
-     CACHE STRING "Result from TRY_RUN" FORCE)
-
-SET( run_res__TRYRUN_OUTPUT 
-     ""
-     CACHE STRING "Output from TRY_RUN" FORCE)
diff --git a/mingw-w64-eigen3/eigen-pkgconfig.patch b/mingw-w64-eigen3/eigen-pkgconfig.patch
index f1d9588858..a52bb61a40 100644
--- a/mingw-w64-eigen3/eigen-pkgconfig.patch
+++ b/mingw-w64-eigen3/eigen-pkgconfig.patch
@@ -1,6 +1,17 @@
---- eigen-eigen-1306d75b4a21/eigen3.pc.in.orig	2014-08-04 13:51:54.000000000 +0300
-+++ eigen-eigen-1306d75b4a21/eigen3.pc.in	2014-12-21 00:44:50.850000000 +0300
-@@ -1,10 +1,12 @@
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -87,7 +87,7 @@
+ option(EIGEN_BUILD_DEMOS "Toggles the building of the Eigen demos" ${PROJECT_IS_TOP_LEVEL})
+ 
+ # Disable pkgconfig only for native Windows builds
+-if(NOT WIN32 OR NOT CMAKE_HOST_SYSTEM_NAME MATCHES Windows)
++if(NOT MSVC)
+   option(EIGEN_BUILD_PKGCONFIG "Build pkg-config .pc file for Eigen" ${PROJECT_IS_TOP_LEVEL})
+ endif()
+ option(EIGEN_BUILD_CMAKE_PACKAGE "Enables the creation of EigenConfig.cmake and related files" ${PROJECT_IS_TOP_LEVEL})
+--- a/eigen3.pc.in
++++ b/eigen3.pc.in
+@@ -1,9 +1,11 @@
  prefix=@CMAKE_INSTALL_PREFIX@
  exec_prefix=${prefix}
 +libdir=${prefix}/lib
@@ -14,4 +25,4 @@
 -Cflags: -I${prefix}/@INCLUDE_INSTALL_DIR@
 +Cflags: -I${includedir}
  
- 
\ No newline at end of file
+ 
diff --git a/mingw-w64-eigen3/install_FindEigen3.patch b/mingw-w64-eigen3/install_FindEigen3.patch
deleted file mode 100644
index eb7c7388dc..0000000000
--- a/mingw-w64-eigen3/install_FindEigen3.patch
+++ /dev/null
@@ -1,15 +0,0 @@
-diff -rupN eigen-eigen-07105f7124f9/CMakeLists.txt eigen-eigen-07105f7124f9-new/CMakeLists.txt
---- eigen-eigen-07105f7124f9/CMakeLists.txt	2016-02-16 14:26:15.000000000 +0100
-+++ eigen-eigen-07105f7124f9-new/CMakeLists.txt	2016-02-17 09:44:43.556543936 +0100
-@@ -324,6 +324,11 @@ install(FILES
-   DESTINATION ${INCLUDE_INSTALL_DIR} COMPONENT Devel
-   )
- 
-+install(FILES
-+  cmake/FindEigen3.cmake
-+  DESTINATION ${CMAKE_INSTALL_PREFIX}/share/cmake/Modules
-+  )
-+
- if(EIGEN_BUILD_PKGCONFIG)
-     configure_file(eigen3.pc.in eigen3.pc @ONLY)
-     install(FILES ${CMAKE_CURRENT_BINARY_DIR}/eigen3.pc