diff --git a/CMakeLists.txt b/CMakeLists.txt
index 6c299a3..d8d0cb3 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.10)
+cmake_minimum_required(VERSION 3.30)
 
 project(kima2 VERSION 1.9.1)
 
diff --git a/src/gui/CMakeLists.txt b/src/gui/CMakeLists.txt
index 8fa22e8..8830628 100644
--- a/src/gui/CMakeLists.txt
+++ b/src/gui/CMakeLists.txt
@@ -14,6 +14,7 @@ find_package(Qt6 COMPONENTS Widgets Network PrintSupport CONFIG REQUIRED)
 
 # For SingleApplication:
 #find_package(Qt5Network CONFIG REQUIRED)
+set(QT_DEFAULT_MAJOR_VERSION 6 CACHE STRING "Qt version to use, defaults to 6")
 set(QAPPLICATION_CLASS QApplication)
 add_compile_definitions(QAPPLICATION_CLASS=${QAPPLICATION_CLASS})