diff --git a/Linphone/CMakeLists.txt b/Linphone/CMakeLists.txt
index 027e2d0bc..72c237256 100644
--- a/Linphone/CMakeLists.txt
+++ b/Linphone/CMakeLists.txt
@@ -98,6 +98,10 @@ endif()
 
 configure_file("${CMAKE_CURRENT_SOURCE_DIR}/config.h.cmake" "${CMAKE_CURRENT_BINARY_DIR}/config.h")
 
+if(${Qt6_VERSION} VERSION_LESS "6.9.0")
+	message( FATAL_ERROR "Linphone requires Qt6.9.0 or newer. Exiting CMake." )
+endif()
+
 if(${Qt6_VERSION} VERSION_LESS "6.3.0")
 	set(CMAKE_AUTOMOC ON)
 	set(CMAKE_AUTORCC ON)
diff --git a/README.md b/README.md
index c53a5e603..7b9ca7c40 100644
--- a/README.md
+++ b/README.md
@@ -28,7 +28,7 @@ Linphone is dual licensed, and is available either :
 As linphone-desktop depends on [Linphone SDK](https://gitlab.linphone.org/BC/public/linphone-sdk), you need to install to Build dependencies common to all target platforms of this project: [The Linphone SDK depdencies](https://gitlab.linphone.org/BC/public/linphone-sdk#common-to-all-target-platforms) 
 
 
-For Desktop : you will need QT6 (_6.5.3 or newer_). `C++17` support is required!. You have two way to install it :
+For Desktop : you will need QT6 (6.9.0 or newer_). `C++17` support is required!. You have two way to install it :
 - Using the [official QT installer](https://www.qt.io/download-thank-you)
 - Using an alternative installer like [aqtinstall](https://github.com/miurahr/aqtinstall)