diff --git a/0001-PATCH-libcxx-Remove-monorepo-requirement.patch b/0001-PATCH-libcxx-Remove-monorepo-requirement.patch
index 6e673de..9baa403 100644
--- a/0001-PATCH-libcxx-Remove-monorepo-requirement.patch
+++ b/0001-PATCH-libcxx-Remove-monorepo-requirement.patch
@@ -22,15 +22,15 @@ index 9bf1a02..5348a15 100644
  #===============================================================================
  # Setup Project
  #===============================================================================
-@@ -39,8 +32,6 @@ if (CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR OR LIBCXX_STANDALONE_BUIL
-   set(LIBCXX_STANDALONE_BUILD 1)
-   set(LLVM_LIT_OUTPUT_DIR "${LIBCXX_BINARY_DIR}/bin")
- 
--  # Find the LLVM sources and simulate LLVM CMake options.
--  include(HandleOutOfTreeLLVM)
- endif()
+@@ -39,8 +32,6 @@
+ include(GNUInstallDirs)
  
  if (LIBCXX_STANDALONE_BUILD)
+-  # Find the LLVM sources and simulate LLVM CMake options.
+-  include(HandleOutOfTreeLLVM)
+ 
+   find_package(Python3 COMPONENTS Interpreter)
+   if(NOT Python3_Interpreter_FOUND)
 -- 
 1.8.3.1
 
diff --git a/add-llvm-cmake-package.patch b/add-llvm-cmake-package.patch
new file mode 100644
index 0000000..bc3d516
--- /dev/null
+++ b/add-llvm-cmake-package.patch
@@ -0,0 +1,19 @@
+diff -ruN libcxx-14.0.0rc2.src.orig/CMakeLists.txt libcxx-14.0.0rc2.src/CMakeLists.txt
+--- a/libcxx-14.0.0rc2.src.orig/CMakeLists.txt	2022-03-04 17:08:07.363822171 +0100
++++ a/libcxx-14.0.0rc2.src/CMakeLists.txt	2022-03-07 08:29:06.632754832 +0100
+@@ -13,6 +13,7 @@
+   "${LLVM_COMMON_CMAKE_UTILS}/Modules"
+   )
+ 
++
+ set(CMAKE_FOLDER "libc++")
+ 
+ set(LIBCXX_SOURCE_DIR  ${CMAKE_CURRENT_SOURCE_DIR})
+@@ -40,6 +41,7 @@
+ include(GNUInstallDirs)
+ 
+ if (LIBCXX_STANDALONE_BUILD)
++  find_package(LLVM REQUIRED HINTS "${LLVM_CMAKE_DIR}")
+ 
+   find_package(Python3 COMPONENTS Interpreter)
+   if(NOT Python3_Interpreter_FOUND)
diff --git a/libcxx.spec b/libcxx.spec
index 817de3c..f7436ca 100644
--- a/libcxx.spec
+++ b/libcxx.spec
@@ -1,9 +1,9 @@
 # If you need to bootstrap this, turn this on.
 # Otherwise, you have a loop with libcxxabi
 %global bootstrap 0
-#global rc_ver 3
 
-%global libcxx_version 13.0.1
+%global libcxx_version 14.0.0
+#global rc_ver 2
 %global libcxx_srcdir libcxx-%{libcxx_version}%{?rc_ver:rc%{rc_ver}}.src
 
 Name:		libcxx
@@ -17,10 +17,12 @@ Source1:	https://github.com/llvm/llvm-project/releases/download/llvmorg-%{libcxx
 Source2:	tstellar-gpg-key.asc
 
 Patch0:		0001-PATCH-libcxx-Remove-monorepo-requirement.patch
+Patch1:		add-llvm-cmake-package.patch
 
 BuildRequires:	gcc-c++ llvm-devel cmake llvm-static ninja-build
-# We need python3-devel for pathfix.py.
+# We need python3-devel for %%py3_shebang_fix
 BuildRequires:  python3-devel
+BuildRequires:  llvm-cmake-devel
 
 # The static libc++ links the static abi library in as well
 BuildRequires:	libcxxabi-static
@@ -64,8 +66,7 @@ Summary:	Static libraries for libcxx
 %{gpgverify} --keyring='%{SOURCE2}' --signature='%{SOURCE1}' --data='%{SOURCE0}'
 %autosetup -n %{libcxx_srcdir} -p2
 
-pathfix.py -i %{__python3} -pn \
-	utils/*.py
+%py3_shebang_fix utils/
 
 %build
 
@@ -80,6 +81,7 @@ common_cmake_flags="\
 	-DPYTHON_EXECUTABLE=%{_bindir}/python3 \
 %endif
 	-DLIBCXX_STANDALONE_BUILD=ON \
+	-DLIBCXX_INCLUDE_BENCHMARKS=OFF \
 	-DCMAKE_BUILD_TYPE=RelWithDebInfo"
 
 # Build the static libc++.a.
@@ -120,7 +122,7 @@ install results-static/libc++.a %{buildroot}/%{_libdir}
 
 # Install header files that libcxxabi needs
 mkdir -p %{buildroot}%{_includedir}/libcxx-internal/
-install -m 0644 src/include/* %{buildroot}%{_includedir}/libcxx-internal/
+install -m 0644 src/include/*.h %{buildroot}%{_includedir}/libcxx-internal/
 
 %files
 %license LICENSE.TXT
@@ -138,6 +140,9 @@ install -m 0644 src/include/* %{buildroot}%{_includedir}/libcxx-internal/
 
 
 %changelog
+* Thu Mar 24 2022 Timm Bäder <tbaeder@redhat.com> - 14.0.0-1
+- Update to 14.0.0
+
 * Thu Feb 03 2022 Nikita Popov <npopov@redhat.com> - 13.0.1-1
 - Update to LLVM 13.0.1 final