diff --git a/CMakeLists.txt b/CMakeLists.txt
index d930cb11..3155b3bc 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -68,6 +68,7 @@ option( USE_ASPELL "Build psi with aspell spellcheck" OFF )
 option( USE_CCACHE "Use ccache utility if found" ON )
 option( USE_CRASH "Enable builtin sigsegv handling" OFF )
 option( USE_KEYCHAIN "Enable QtKeychain support" ON )
+option( USE_QT6 "Enable Qt6 support" OFF )
 option( ONLY_BINARY "Build and install only binary file" OFF )
 option( ONLY_PLUGINS "Build psi plugins only" OFF )
 option( INSTALL_EXTRA_FILES "Install sounds, iconsets, certs, client_icons.txt, themes" ON )
@@ -136,6 +137,10 @@ else()
     message(STATUS "Chatlog type - Basic")
 endif()
 
+if(USE_QT6)
+    set(QT_DEFAULT_MAJOR_VERSION 6)
+endif()
+
 message(STATUS "System name - ${CMAKE_SYSTEM_NAME}")
 
 if("${CMAKE_BUILD_TYPE}" STREQUAL "Debug" OR ("${CMAKE_BUILD_TYPE}" STREQUAL "RelWithDebInfo"))
diff --git a/version b/version
index ae88e21c..79175d72 100644
--- a/version
+++ b/version
@@ -1 +1 @@
-1.5.2069 (2024-12-23, 444d8e2e)
+1.5.2070 (2025-01-21, 2465ab6e)