diff --git a/kdevplatform/CMakeLists.txt b/kdevplatform/CMakeLists.txt
index c47a3574d2..df069a57d7 100644
--- a/kdevplatform/CMakeLists.txt
+++ b/kdevplatform/CMakeLists.txt
@@ -1,94 +1,97 @@
 # kdevplatform version
 set(KDEVPLATFORM_VERSION_MAJOR 5)
 set(KDEVPLATFORM_VERSION_MINOR 1)
 set(KDEVPLATFORM_VERSION_PATCH 42)
 set(KDEVPLATFORM_VERSION "${KDEVPLATFORM_VERSION_MAJOR}.${KDEVPLATFORM_VERSION_MINOR}.${KDEVPLATFORM_VERSION_PATCH}")
 
+# kdevplatform soversion
+# E.g. for KDevelop 5.2.0 => SOVERSION 52 (we only promise ABI compatibility between patch version updates)
+set(KDEVPLATFORM_SOVERSION 52)
+
 # Increase this to reset incompatible item-repositories
 set(KDEV_ITEMREPOSITORY_VERSION 87)
 
 set(KDevPlatform_SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR})
 set(KDevPlatform_BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR})
 
 set(CMAKE_MODULE_PATH ${KDevPlatform_SOURCE_DIR}/cmake/modules ${ECM_MODULE_PATH})
 set(CMAKECONFIG_INSTALL_DIR "${KDE_INSTALL_CMAKEPACKAGEDIR}/KDevPlatform")
 
 include(KDevPlatformMacros)
 include(KDevPlatformMacrosInternal)
 
 find_package(Grantlee5 CONFIG)
 set_package_properties(Grantlee5 PROPERTIES
     PURPOSE "Grantlee templating library, needed for file templates"
     URL "http://www.grantlee.org/"
     TYPE REQUIRED)
 
 set(Boost_ADDITIONAL_VERSIONS 1.39.0 1.39)
 find_package(Boost 1.35.0)
 set_package_properties(Boost PROPERTIES
     PURPOSE "Boost libraries for enabling the classbrowser"
     URL "http://www.boost.org"
     TYPE REQUIRED)
 
 configure_file( ${CMAKE_CURRENT_SOURCE_DIR}/config-kdevplatform.h.cmake
                 ${CMAKE_CURRENT_BINARY_DIR}/config-kdevplatform.h )
 
 include_directories(${KDevPlatform_SOURCE_DIR} ${KDevPlatform_BINARY_DIR})
 
 if(BUILD_TESTING)
   set(KDEV_FIND_DEP_QT5TEST "find_dependency(Qt5Test \"${QT_MIN_VERSION}\")")
 endif()
 configure_package_config_file("${CMAKE_CURRENT_SOURCE_DIR}/KDevPlatformConfig.cmake.in"
                               "${CMAKE_CURRENT_BINARY_DIR}/KDevPlatformConfig.cmake"
                               INSTALL_DESTINATION  ${CMAKECONFIG_INSTALL_DIR}
 )
 
 ecm_setup_version(${KDEVPLATFORM_VERSION_MAJOR}.${KDEVPLATFORM_VERSION_MINOR}.${KDEVPLATFORM_VERSION_PATCH}
                   VARIABLE_PREFIX KDEVPLATFORM
                   VERSION_HEADER "${CMAKE_CURRENT_BINARY_DIR}/kdevplatform_version.h"
                   PACKAGE_VERSION_FILE "${CMAKE_CURRENT_BINARY_DIR}/KDevPlatformConfigVersion.cmake"
-                  # E.g. for KDevelop 5.2.0 => SOVERSION 52 (we only promise ABI compatibility between patch version updates)
-                  SOVERSION ${KDEVPLATFORM_VERSION_MAJOR}${KDEVPLATFORM_VERSION_MINOR} # This sets KDEVPLATFORM_SOVERSION
+                  SOVERSION ${KDEVPLATFORM_SOVERSION}
 )
 
 string(TOLOWER "${CMAKE_BUILD_TYPE}" CMAKE_BUILD_TYPE_TOLOWER)
 if(CMAKE_BUILD_TYPE_TOLOWER MATCHES "debug"
   OR CMAKE_BUILD_TYPE_TOLOWER STREQUAL "")
   set(COMPILER_OPTIMIZATIONS_DISABLED TRUE)
 else()
   set(COMPILER_OPTIMIZATIONS_DISABLED FALSE)
 endif()
 
 add_subdirectory(sublime)
 add_subdirectory(interfaces)
 add_subdirectory(project)
 add_subdirectory(language)
 add_subdirectory(shell)
 add_subdirectory(util)
 add_subdirectory(outputview)
 add_subdirectory(vcs)
 add_subdirectory(pics)
 add_subdirectory(debugger)
 add_subdirectory(documentation)
 add_subdirectory(serialization)
 add_subdirectory(template)
 if(BUILD_TESTING)
   add_subdirectory(tests)
 endif()
 
 
 install( FILES
         "${KDevPlatform_BINARY_DIR}/kdevplatform_version.h"
         "${KDevPlatform_BINARY_DIR}/config-kdevplatform.h"
         DESTINATION "${KDE_INSTALL_INCLUDEDIR}/kdevplatform" )
 install( FILES
         "${KDevPlatform_BINARY_DIR}/KDevPlatformConfig.cmake"
         "${KDevPlatform_BINARY_DIR}/KDevPlatformConfigVersion.cmake"
         cmake/modules/KDevPlatformMacros.cmake
         DESTINATION "${CMAKECONFIG_INSTALL_DIR}" )
 install( EXPORT KDevPlatformTargets
          DESTINATION "${CMAKECONFIG_INSTALL_DIR}"
          NAMESPACE KDev::
          FILE KDevPlatformTargets.cmake )
 
 # kdebugsettings file
 install( FILES kdevplatform.categories DESTINATION ${KDE_INSTALL_CONFDIR} )