diff --git a/config_host/config_python.h.in b/config_host/config_python.h.in
new file mode 100644
index 000000000000..3258205b29a8
--- /dev/null
+++ b/config_host/config_python.h.in
@@ -0,0 +1,8 @@
+/* python stuff */
+
+#ifndef CONFIG_PYTHON_H
+#define CONFIG_PYTHON_H
+
+#undef PYTHON_VERSION_STRING
+
+#endif // CONFIG_PYTHON_H
diff --git a/configure.ac b/configure.ac
index c2f7dc6e8fc0..5944d23317e3 100644
--- a/configure.ac
+++ b/configure.ac
@@ -8106,7 +8106,8 @@ internal)
     SYSTEM_PYTHON=
     PYTHON_VERSION_MAJOR=3
     PYTHON_VERSION_MINOR=3
-    PYTHON_VERSION=${PYTHON_VERSION_MAJOR}.${PYTHON_VERSION_MINOR}.3
+    PYTHON_VERSION=${PYTHON_VERSION_MAJOR}.${PYTHON_VERSION_MINOR}.5
+    AC_DEFINE_UNQUOTED([PYTHON_VERSION_STRING], [L"${PYTHON_VERSION}"])
     BUILD_TYPE="$BUILD_TYPE PYTHON"
     # Embedded Python dies without Home set
     if test "$HOME" = ""; then
@@ -13168,6 +13169,7 @@ AC_CONFIG_HEADERS([config_host/config_vclplug.h])
 AC_CONFIG_HEADERS([config_host/config_version.h])
 AC_CONFIG_HEADERS([config_host/config_oauth2.h])
 AC_CONFIG_HEADERS([config_host/config_poppler.h])
+AC_CONFIG_HEADERS([config_host/config_python.h])
 AC_OUTPUT
 
 if test "$CROSS_COMPILING" = TRUE; then
diff --git a/pyuno/CustomTarget_python_shell.mk b/pyuno/CustomTarget_python_shell.mk
index bc6d355f7907..203258bf94e3 100644
--- a/pyuno/CustomTarget_python_shell.mk
+++ b/pyuno/CustomTarget_python_shell.mk
@@ -27,7 +27,8 @@ $(call gb_CustomTarget_get_workdir,pyuno/python_shell)/python.sh : \
 	cat $^ > $@ && chmod +x $@
 
 $(call gb_CustomTarget_get_workdir,pyuno/python_shell)/os.sh : \
-		$(SRCDIR)/pyuno/zipcore/$(if $(filter MACOSX,$(OS)),mac,nonmac).sh
+		$(SRCDIR)/pyuno/zipcore/$(if $(filter MACOSX,$(OS)),mac,nonmac).sh \
+		$(BUILDDIR)/config_$(gb_Side)/config_python.h
 	$(call gb_Output_announce,$(subst $(WORKDIR)/,,$@),$(true),SED,1)
 	sed -e "s/%%PYVERSION%%/$(pyuno_PYTHON_SHELL_VERSION)/g" \
 		$< > $@
diff --git a/pyuno/CustomTarget_pyuno_pythonloader_ini.mk b/pyuno/CustomTarget_pyuno_pythonloader_ini.mk
index 920a7a38bf35..51cb35f3d981 100644
--- a/pyuno/CustomTarget_pyuno_pythonloader_ini.mk
+++ b/pyuno/CustomTarget_pyuno_pythonloader_ini.mk
@@ -14,6 +14,7 @@ $(eval $(call gb_CustomTarget_register_targets,pyuno/pythonloader_ini, \
 ))
 
 $(call gb_CustomTarget_get_workdir,pyuno/pythonloader_ini)/$(call gb_Helper_get_rcfile,pythonloader.uno): \
+			$(BUILDDIR)/config_$(gb_Side)/config_python.h \
             $(SRCDIR)/pyuno/CustomTarget_pyuno_pythonloader_ini.mk
 	$(call gb_Output_announce,$(subst $(WORKDIR)/,,$@),$(true),ECH,1)
 	(   printf '[Bootstrap]\n' && \
diff --git a/pyuno/Executable_python.mk b/pyuno/Executable_python.mk
index 2f96404b7ae2..05220bc24e1d 100644
--- a/pyuno/Executable_python.mk
+++ b/pyuno/Executable_python.mk
@@ -9,10 +9,6 @@
 
 $(eval $(call gb_Executable_Executable,python))
 
-$(eval $(call gb_Executable_add_defs,python,\
-    -DMY_PYVERSION=L\"$(PYTHON_VERSION)\" \
-))
-
 $(eval $(call gb_Executable_use_static_libraries,python,\
     ooopathutils \
 ))
diff --git a/pyuno/zipcore/python.cxx b/pyuno/zipcore/python.cxx
index 6944d932c666..239f31546533 100644
--- a/pyuno/zipcore/python.cxx
+++ b/pyuno/zipcore/python.cxx
@@ -17,6 +17,8 @@
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
 
+#include <config_python.h>
+
 #include <cstddef>
 #include <stdlib.h>
 #include <wchar.h>
@@ -98,14 +100,14 @@ int wmain(int argc, wchar_t ** argv, wchar_t **) {
     wchar_t pythonpath2[MAX_PATH];
     wchar_t * pythonpath2End = tools::buildPath(
         pythonpath2, path, pathEnd,
-        MY_STRING(L"\\python-core-" MY_PYVERSION L"\\lib"));
+        MY_STRING(L"\\python-core-" PYTHON_VERSION_STRING L"\\lib"));
     if (pythonpath2End == NULL) {
         exit(EXIT_FAILURE);
     }
     wchar_t pythonpath3[MAX_PATH];
     wchar_t * pythonpath3End = tools::buildPath(
         pythonpath3, path, pathEnd,
-        MY_STRING(L"\\python-core-" MY_PYVERSION L"\\lib\\site-packages"));
+        MY_STRING(L"\\python-core-" PYTHON_VERSION_STRING L"\\lib\\site-packages"));
     if (pythonpath3End == NULL) {
         exit(EXIT_FAILURE);
     }
@@ -113,21 +115,21 @@ int wmain(int argc, wchar_t ** argv, wchar_t **) {
     wchar_t pythonpath4[MAX_PATH];
     wchar_t * pythonpath4End = tools::buildPath(
         pythonpath4, path, pathEnd,
-        MY_STRING(L"\\python-core-" MY_PYVERSION L"\\lib\\lib-dynload"));
+        MY_STRING(L"\\python-core-" PYTHON_VERSION_STRING L"\\lib\\lib-dynload"));
     if (pythonpath4End == NULL) {
         exit(EXIT_FAILURE);
     }
 #endif
     wchar_t pythonhome[MAX_PATH];
     wchar_t * pythonhomeEnd = tools::buildPath(
-        pythonhome, path, pathEnd, MY_STRING(L"\\python-core-" MY_PYVERSION));
+        pythonhome, path, pathEnd, MY_STRING(L"\\python-core-" PYTHON_VERSION_STRING));
     if (pythonhomeEnd == NULL) {
         exit(EXIT_FAILURE);
     }
     wchar_t pythonexe[MAX_PATH];
     wchar_t * pythonexeEnd = tools::buildPath(
         pythonexe, path, pathEnd,
-        MY_STRING(L"\\python-core-" MY_PYVERSION L"\\bin\\python.exe"));
+        MY_STRING(L"\\python-core-" PYTHON_VERSION_STRING L"\\bin\\python.exe"));
     if (pythonexeEnd == NULL) {
         exit(EXIT_FAILURE);
     }