diff --git a/CMakeLists.txt b/CMakeLists.txt
index a2ab8bde2..9ca37dab7 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -154,11 +154,13 @@ if (BUILD_PYTHON_SUPPORT)
         # Optional: PySide6
         find_package(PySide6 "6.4.0")
         find_package(Shiboken6 "6.4.0")
+        find_package(Shiboken6Tools "6.4.0")
         find_package(Python3 COMPONENTS Development)
         set_package_properties(PySide6 PROPERTIES DESCRIPTION "Python plugins" TYPE OPTIONAL)
         set_package_properties(Shiboken6 PROPERTIES DESCRIPTION "Python plugins" TYPE OPTIONAL)
+        set_package_properties(Shiboken6Tools PROPERTIES DESCRIPTION "Python plugins" TYPE OPTIONAL)
         set_package_properties(Python3 PROPERTIES DESCRIPTION "Python plugins" TYPE OPTIONAL)
-        if (PySide6_FOUND AND Shiboken6_FOUND AND Python3_FOUND)
+        if (PySide6_FOUND AND Shiboken6_FOUND AND Shiboken6Tools_FOUND AND Python3_FOUND)
             set(ENABLE_PYTHON_PLUGINS TRUE)
         endif()
     else()
diff --git a/src/plugins/PyFalkon/CMakeLists.txt b/src/plugins/PyFalkon/CMakeLists.txt
index b0edcd924..e94bafcfe 100644
--- a/src/plugins/PyFalkon/CMakeLists.txt
+++ b/src/plugins/PyFalkon/CMakeLists.txt
@@ -20,6 +20,10 @@ set(QT_INCLUDE_DIRS
     ${QT_WEBENGINECORE_INCLUDE_DIRS}
     ${QT_WEBENGINEWIDGETS_INCLUDE_DIRS}
 )
+if (QT_MAJOR_VERSION STREQUAL "6")
+    get_property(QT_PRINTSUPPORT_INCLUDE_DIRS TARGET Qt${QT_MAJOR_VERSION}::PrintSupport PROPERTY INTERFACE_INCLUDE_DIRECTORIES)
+    list(APPEND QT_INCLUDE_DIRS ${QT_PRINTSUPPORT_INCLUDE_DIRS})
+endif()
 set(INCLUDES "")
 foreach(INCLUDE_DIR ${QT_INCLUDE_DIRS})
     list(APPEND INCLUDES "-I${INCLUDE_DIR}")
@@ -33,13 +37,19 @@ endforeach()
 set(GLOBAL_HEADER ${CMAKE_CURRENT_SOURCE_DIR}/pyfalkon_global.h)
 set(TYPESYSTEM_FILE ${CMAKE_CURRENT_SOURCE_DIR}/typesystem_pyfalkon.xml)
 
+if (QT_MAJOR_VERSION STREQUAL "6")
+    set(API_VERSION "${Qt6_VERSION_MAJOR}.${Qt6_VERSION_MINOR}")
+else()
+    set(API_VERSION "${Qt5_VERSION_MAJOR}.${Qt5_VERSION_MINOR}")
+endif()
+
 set(SHIBOKEN_OPTIONS --generator-set=shiboken --enable-parent-ctor-heuristic
     --enable-pyside-extensions --enable-return-value-heuristic --use-isnull-as-nb_nonzero
     --avoid-protected-hack
     ${INCLUDES}
     -T${PYSIDE_TYPESYSTEMS}
     --output-directory=${CMAKE_CURRENT_BINARY_DIR}
-    --api-version="${Qt5_VERSION_MAJOR}.${Qt5_VERSION_MINOR}"
+    --api-version="${API_VERSION}"
 )
 
 # Specify which sources will be generated by shiboken, and their dependencies.
diff --git a/src/plugins/PyFalkon/pyfalkon_global.h b/src/plugins/PyFalkon/pyfalkon_global.h
index b064dce0c..1b139a3bc 100644
--- a/src/plugins/PyFalkon/pyfalkon_global.h
+++ b/src/plugins/PyFalkon/pyfalkon_global.h
@@ -21,7 +21,11 @@
 
 // PYSIDE-711
 #include <QHstsPolicy>
+#if (QT_VERSION < QT_VERSION_CHECK(6, 0, 0))
 #include <QWebEngineContextMenuData>
+#else
+#include <QWebEngineContextMenuRequest>
+#endif
 
 // 3rdparty
 #include "lineedit.h"
diff --git a/src/plugins/PyFalkon/typesystem_pyfalkon.xml b/src/plugins/PyFalkon/typesystem_pyfalkon.xml
index 006bb0083..e48017957 100644
--- a/src/plugins/PyFalkon/typesystem_pyfalkon.xml
+++ b/src/plugins/PyFalkon/typesystem_pyfalkon.xml
@@ -125,7 +125,9 @@
     </object-type>
     <object-type name="NavigationBar"/>
 
-    <object-type name="NetworkManager"/>
+    <object-type name="NetworkManager">
+      <modify-function signature="certificateError(QWebEngineCertificateError&amp;, QWidget*)" remove="all"/>
+    </object-type>
     <object-type name="UrlInterceptor"/>
     <object-type name="ExtensionSchemeHandler">
       <include file-name="schemehandlers/extensionschemehandler.h" location="global"/>
@@ -256,7 +258,7 @@
     QList&lt;QByteArray&gt; version = QByteArray(Qz::VERSION).split('.');
     PyObject *pyFalkonVersion = PyTuple_New(3);
     for (int i = 0; i &lt; 3; ++i)
-        PyTuple_SET_ITEM(pyFalkonVersion, i, PyInt_FromLong(version[i].toInt()));
+        PyTuple_SET_ITEM(pyFalkonVersion, i, PyLong_FromLong(version[i].toInt()));
     PyModule_AddObject(module, "__version_info__", pyFalkonVersion);
     PyModule_AddStringConstant(module, "__version__", Qz::VERSION);
     </inject-code>