diff --git a/3rdparty/ext_pyqt/CMakeLists.txt b/3rdparty/ext_pyqt/CMakeLists.txt
index 3bfb292799..d33510a2c8 100644
--- a/3rdparty/ext_pyqt/CMakeLists.txt
+++ b/3rdparty/ext_pyqt/CMakeLists.txt
@@ -1,63 +1,63 @@
 SET(PREFIX_ext_pyqt "${EXTPREFIX}" )
 if (UNIX)
     SET(PYTHON_EXECUTABLE_PATH ${PREFIX_ext_pyqt}/bin/python3)
     if(NOT EXISTS ${PYTHON_EXECUTABLE_PATH})
       message("WARNING: using system python3!")
       SET(PYTHON_EXECUTABLE_PATH python3)
     endif()
 
     list(APPEND _PYQT_conf
         --confirm-license
         --qmake ${PREFIX_ext_pyqt}/bin/qmake
         --sip ${PREFIX_ext_pyqt}/bin/sip
         --sip-incdir ${PREFIX_ext_pyqt}/include
         --sipdir ${PREFIX_ext_pyqt}/share/sip
     )
     ExternalProject_Add( ext_pyqt
         DOWNLOAD_DIR ${EXTERNALS_DOWNLOAD_DIR}
         URL https://www.riverbankcomputing.com/static/Downloads/PyQt5/5.12.1/PyQt5_gpl-5.12.1.tar.gz
         URL_MD5 67508b652098d2e05c4c2b5baeb170cc
         
         CONFIGURE_COMMAND ${PYTHON_EXECUTABLE_PATH} <SOURCE_DIR>/configure.py ${_PYQT_conf}
         BUILD_COMMAND make
         INSTALL_COMMAND make install
         
         BUILD_IN_SOURCE 1
 
         UPDATE_COMMAND ""
     )
 elseif(MINGW)
 
     list(APPEND _PYQT_conf
         --confirm-license
-        --target-py-version 3.6
+        --target-py-version 3.8
         --bindir ${PREFIX_ext_pyqt}/bin
         --qt ${PREFIX_ext_pyqt}
         --sip ${PREFIX_ext_pyqt}/bin/sip.exe
         --sip-incdir ${PREFIX_ext_pyqt}/include
         --spec win32-g++
         --verbose
         --sipdir ${PREFIX_ext_pyqt}/share/sip
         --destdir ${PREFIX_ext_pyqt}/lib/krita-python-libs
         --stubsdir ${PREFIX_ext_pyqt}/lib/krita-python-libs/PyQt5
         --no-qml-plugin --no-python-dbus --no-qsci-api --no-tools
         --disable QtSql --disable QtTest --disable QtWinExtras --disable QtHelp
     )
     ExternalProject_Add( ext_pyqt
         DOWNLOAD_DIR ${EXTERNALS_DOWNLOAD_DIR}
         URL https://www.riverbankcomputing.com/static/Downloads/PyQt5/5.12.1/PyQt5_gpl-5.12.1.zip
         URL_MD5 0b2912828a4d59e13d86decdce1687e6
 
         PATCH_COMMAND  ${PATCH_COMMAND} -p1 -i ${CMAKE_CURRENT_SOURCE_DIR}/pyqt-configure-fix.patch
 
         CONFIGURE_COMMAND ${PYTHON_EXECUTABLE} <SOURCE_DIR>/configure.py ${_PYQT_conf}
         BUILD_COMMAND mingw32-make -j${SUBMAKE_JOBS} CXXFLAGS=-D_hypot=hypot LDFLAGS=${SECURITY_SHARED_LINKER_FLAGS}
         INSTALL_COMMAND mingw32-make install
         
         BUILD_IN_SOURCE 1
 
         UPDATE_COMMAND ""
     )
 
 endif()
 
diff --git a/3rdparty/ext_sip/CMakeLists.txt b/3rdparty/ext_sip/CMakeLists.txt
index 31719881b6..831e060a53 100644
--- a/3rdparty/ext_sip/CMakeLists.txt
+++ b/3rdparty/ext_sip/CMakeLists.txt
@@ -1,75 +1,75 @@
 SET(PREFIX_ext_sip "${EXTPREFIX}" )
 if (UNIX)
     if(NOT APPLE)
       SET(PYTHON_EXECUTABLE_PATH ${PREFIX_ext_sip}/bin/python3)
       if(NOT EXISTS ${PYTHON_EXECUTABLE_PATH})
         message("WARNING: using system python3!")
         SET(PYTHON_EXECUTABLE_PATH python3)
       endif()
 
         ExternalProject_Add( ext_sip
         DOWNLOAD_DIR ${EXTERNALS_DOWNLOAD_DIR}
         URL https://www.riverbankcomputing.com/static/Downloads/sip/4.19.15/sip-4.19.15.tar.gz
         URL_MD5 236578d2199da630ae1251671b9a7bfe
 
-        CONFIGURE_COMMAND ${PYTHON_EXECUTABLE_PATH} <SOURCE_DIR>/configure.py -b ${PREFIX_ext_sip}/bin -d ${PREFIX_ext_sip}/lib/python3.5/site-packages -e ${PREFIX_ext_sip}/include  --sipdir ${PREFIX_ext_sip}/sip --target-py-version 3.5 --sip-module PyQt5.sip
+        CONFIGURE_COMMAND ${PYTHON_EXECUTABLE_PATH} <SOURCE_DIR>/configure.py -b ${PREFIX_ext_sip}/bin -d ${PREFIX_ext_sip}/lib/python3.5/site-packages -e ${PREFIX_ext_sip}/include  --sipdir ${PREFIX_ext_sip}/sip --target-py-version 3.8 --sip-module PyQt5.sip
         BUILD_COMMAND make
         INSTALL_COMMAND make install
 
             BUILD_IN_SOURCE 1
 
             UPDATE_COMMAND ""
         )
     else(APPLE)
         if(NOT PYTHONINTERP_FOUND)
             SET(PYTHON_EXECUTABLE ${PREFIX_ext_sip}/bin/python3)
             if(NOT EXISTS "${PYTHON_EXECUTABLE}")
                 message("WARNING: using system python3!")
                 SET(PYTHON_EXECUTABLE python3)
             endif()
         endif()
 
         ExternalProject_Add( ext_sip
             DOWNLOAD_DIR ${EXTERNALS_DOWNLOAD_DIR}
             URL https://www.riverbankcomputing.com/static/Downloads/sip/4.19.15/sip-4.19.15.tar.gz
             URL_MD5 236578d2199da630ae1251671b9a7bfe
 
             CMAKE_ARGS -DPYTHON_INCLUDE_DIR=${PREFIX_ext_sip}/lib/Python.framework/Headers
             CONFIGURE_COMMAND ${PYTHON_EXECUTABLE} <SOURCE_DIR>/configure.py --deployment-target=10.11
                 -b ${PREFIX_ext_sip}/bin -d ${PREFIX_ext_sip}/lib/Python.framework/Versions/Current/site-packages/ 
-                -e ${PREFIX_ext_sip}/include --sipdir ${PREFIX_ext_sip}/share/sip --target-py-version 3.5 --sip-module PyQt5.sip
+                -e ${PREFIX_ext_sip}/include --sipdir ${PREFIX_ext_sip}/share/sip --target-py-version 3.8 --sip-module PyQt5.sip
             BUILD_COMMAND make
             INSTALL_COMMAND make install
                 # COMMAND ${CMAKE_COMMAND} -E create_symlink ./PyQt5/sip.so ${PREFIX_ext_sip}/lib/Python.framework/Versions/Current/site-packages/sip.so
                 # COMMAND ${CMAKE_COMMAND} -E create_symlink ./PyQt5/sip.pyi ${PREFIX_ext_sip}/lib/Python.framework/Versions/Current/site-packages/sip.pyi
 
             BUILD_IN_SOURCE 1
 
             UPDATE_COMMAND ""
         )
     endif()
 elseif (MINGW)
     list(APPEND _SIP_conf
         --platform win32-g++
         -b ${PREFIX_ext_sip}/bin
         -d ${PREFIX_ext_sip}/lib/krita-python-libs
         -e ${PREFIX_ext_sip}/include
         --sipdir ${PREFIX_ext_sip}/share/sip
-        --target-py-version 3.6
+        --target-py-version 3.8
         --sip-module PyQt5.sip
     )
     ExternalProject_Add( ext_sip
         DOWNLOAD_DIR ${EXTERNALS_DOWNLOAD_DIR}
         URL https://www.riverbankcomputing.com/static/Downloads/sip/4.19.15/sip-4.19.15.zip
         URL_MD5 4a1a4760cfabef15d68f45a6920974c2
 
         CONFIGURE_COMMAND ${PYTHON_EXECUTABLE} <SOURCE_DIR>/configure.py ${_SIP_conf}
         BUILD_COMMAND mingw32-make -j${SUBMAKE_JOBS} LDFLAGS=${SECURITY_SHARED_LINKER_FLAGS}
         INSTALL_COMMAND mingw32-make -j${SUBMAKE_JOBS} install
         
         BUILD_IN_SOURCE 1
 
         UPDATE_COMMAND ""
     )
 endif()