diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 338ad1e..bdf9599 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -61,6 +61,12 @@ jobs:
         python3-sphinx
         python3-nbsphinx
 
+    - name: Set up Python
+      if: matrix.os == 'macos-12'
+      uses: actions/setup-python@v4
+      with:
+        python-version: '3.11' # 3.12 removed distutils
+
     - name: Install homebrew dependencies
       if: matrix.os == 'macos-12'
       run: |
@@ -77,11 +83,6 @@ jobs:
       run:
         echo "CXXFLAGS=-stdlib=libc++" >> $GITHUB_ENV
 
-    - name: add clang cxxflags
-      if: ${{ contains(matrix.cxx, 'clang') }}
-      run:
-        echo "CXXFLAGS=-stdlib=libc++" >> $GITHUB_ENV
-
     - name: Build & Install TRIQS
       env:
         CC: ${{ matrix.cc }}
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 57a8986..4c5c388 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -67,7 +67,7 @@ message(STATUS "-------- BUILD-TYPE: ${CMAKE_BUILD_TYPE} --------")
 
 
 # --- Define the w2dynamics interface version numbers and get the git hash
-set(W2DYN_GIT_HASH b5a2bcc9ecdb694703a4e683b63352bedf116882)
+set(W2DYN_GIT_HASH 5d0d8b28b567d0590071f24e784d048f6d35865a)
 message(STATUS "w2dynamics git hash: ${W2DYN_GIT_HASH}")
 
 # --- Build w2dynamics as an external project
@@ -76,8 +76,7 @@ get_property(FFTW_LIBRARIES TARGET triqs::fftw PROPERTY INTERFACE_LINK_LIBRARIES
 include(ExternalProject)
 ExternalProject_Add(w2dynamics
   PREFIX w2dyn_project
-  #GIT_REPOSITORY https://github.com/w2dynamics/w2dynamics
-  GIT_REPOSITORY https://github.com/the-hampel/w2dynamics
+  GIT_REPOSITORY https://github.com/w2dynamics/w2dynamics
   GIT_TAG ${W2DYN_GIT_HASH}
   GIT_CONFIG advice.detachedHead=false
   CMAKE_ARGS -DCMAKE_INSTALL_PREFIX=${CMAKE_INSTALL_PREFIX}
diff --git a/w2dynamics.patch b/w2dynamics.patch
index cdb4e7d..53ea3cd 100644
--- a/w2dynamics.patch
+++ b/w2dynamics.patch
@@ -1,17 +1,3 @@
-diff --git a/CMakeLists.txt b/CMakeLists.txt
-index 67ecb0b..8eea51d 100644
---- a/CMakeLists.txt
-+++ b/CMakeLists.txt
-@@ -180,6 +180,9 @@ SET(CMAKE_Fortran_MODULE_DIRECTORY ${LIB})
- ADD_SUBDIRECTORY(${SRCMTRNG} ${LIB})
-
- # The source for the ctqmc binary and have it placed in the bin folder
-+if(CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
-+  set(F2PY_ENV CFLAGS=-Wno-error=incompatible-function-pointer-types)
-+endif()
- ADD_SUBDIRECTORY(${SRCCTQMC})
- ADD_SUBDIRECTORY(${SRCMAXENT})
-
 diff --git a/cmake/Modules/SetFortranFlags.cmake b/cmake/Modules/SetFortranFlags.cmake
 index caab7fc..264978a 100644
 --- a/cmake/Modules/SetFortranFlags.cmake
@@ -29,29 +15,3 @@ index caab7fc..264978a 100644
  
  #The following does not seem to get added...
  SET_COMPILE_FLAG(CMAKE_Fortran_FLAGS "${CMAKE_Fortran_FLAGS}"
-diff --git a/src/ctqmc_fortran/CMakeLists.txt b/src/ctqmc_fortran/CMakeLists.txt
-index 44f66a3..2f9ae07 100644
---- a/src/ctqmc_fortran/CMakeLists.txt
-+++ b/src/ctqmc_fortran/CMakeLists.txt
-@@ -92,7 +92,7 @@ endif (USE_NFFT)
-   # output will be a shared library that can be imported by python.
-   add_custom_command(OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/${_name}${F2PY_SUFFIX}"
-     COMMAND ${CMAKE_COMMAND} -E copy "${SRCCTQMC}/.f2py_f2cmap" "${CMAKE_CURRENT_BINARY_DIR}/.f2py_f2cmap"
--    COMMAND ${PYTHON_EXECUTABLE} -m numpy.f2py -c $<$<CONFIG:RELEASE>:--quiet> -m ${_name}
-+    COMMAND ${F2PY_ENV} ${PYTHON_EXECUTABLE} -m numpy.f2py -c $<$<CONFIG:RELEASE>:--quiet> -m ${_name}
-       --build-dir "${CMAKE_Fortran_MODULE_DIRECTORY}"
-       ${_fcompiler_opts}
-       ${LIB}/libmtrng.a
-diff --git a/src/maxent/CMakeLists.txt b/src/maxent/CMakeLists.txt
-index cd17611..aa242c4 100644
---- a/src/maxent/CMakeLists.txt
-+++ b/src/maxent/CMakeLists.txt
-@@ -69,7 +69,7 @@ set(EXTERNAL_LIBRARIES ${BLAS_LIBRARIES} ${LAPACK_LIBRARIES})
-   set(ADDITIONAL_OPTS -fPIC -DLAPACK77_Interface)
-     add_custom_command(OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/${_name}${F2PY_SUFFIX}"
-       COMMAND ${CMAKE_COMMAND} -E copy "${SRCMAXENT}/.f2py_f2cmap" "${CMAKE_CURRENT_BINARY_DIR}/.f2py_f2cmap"
--      COMMAND ${PYTHON_EXECUTABLE} -m numpy.f2py -c $<$<CONFIG:RELEASE>:--quiet> -m ${_name}
-+      COMMAND ${F2PY_ENV} ${PYTHON_EXECUTABLE} -m numpy.f2py -c $<$<CONFIG:RELEASE>:--quiet> -m ${_name}
-         --build-dir "${CMAKE_Fortran_MODULE_DIRECTORY}"
-         ${_fcompiler_opts} --opt="${ADDITIONAL_OPTS}" ${_inc_opts}
-         ${EXTERNAL_LIBRARIES}