diff --git a/CMakeLists.txt b/CMakeLists.txt
index 4be7afc1c..b27fe9a07 100755
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -65,8 +65,8 @@ project(rssguard)
 
 set(APP_NAME "RSS Guard")
 set(APP_LOW_NAME "rssguard")
-set(APP_VERSION "2.5.2")
-set(FILE_VERSION "2,5,2,0")
+set(APP_VERSION "2.5.3")
+set(FILE_VERSION "2,5,3,0")
 set(APP_AUTHOR "Martin Rotter")
 set(APP_URL "http://bitbucket.org/skunkos/rssguard")
 set(APP_URL_ISSUES "http://bitbucket.org/skunkos/rssguard/issues")
@@ -83,6 +83,7 @@ endif(APPLE)
 
 # Options declaration.
 option(USE_QT_5 "Use Qt 5 for building" OFF)
+option(ENABLE_NUMIX "Install Numix icon theme" ON)
 
 if(OS2)
   option(ENABLE_OS2_RC "Compile application icon on OS/2" OFF)
@@ -112,6 +113,7 @@ endif(${APPLE})
 message(STATUS "")
 message(STATUS "[${APP_LOW_NAME}] ==== Options summary ====")
 message(STATUS "[${APP_LOW_NAME}] Use Qt 5 for building -> ${USE_QT_5}")
+message(STATUS "[${APP_LOW_NAME}] Install Numix icon theme -> ${ENABLE_NUMIX}")
 
 if(OS2)
   message(STATUS "[${APP_LOW_NAME}] Compile application icon on OS/2 -> ${ENABLE_OS2_RC}")
@@ -817,7 +819,11 @@ if(WIN32 OR OS2)
   endif(WIN32 AND NOT USE_QT_5)
 
   install(DIRECTORY resources/graphics/icons/mini-kfaenza DESTINATION ./icons)
-  install(DIRECTORY resources/graphics/icons/numix DESTINATION ./icons)
+
+  if(ENABLE_NUMIX)
+    install(DIRECTORY resources/graphics/icons/numix DESTINATION ./icons)
+  endif(ENABLE_NUMIX)
+
   install(DIRECTORY resources/skins/base
           DESTINATION ./skins)
   install(DIRECTORY resources/misc
@@ -863,7 +869,11 @@ elseif(APPLE)
 
   install(DIRECTORY resources/initial_feeds DESTINATION ${APPLE_PREFIX})
   install(DIRECTORY resources/graphics/icons/mini-kfaenza DESTINATION ${APPLE_PREFIX}/icons)
-  install(DIRECTORY resources/graphics/icons/numix DESTINATION ${APPLE_PREFIX}/icons)
+
+  if(ENABLE_NUMIX)
+    install(DIRECTORY resources/graphics/icons/numix DESTINATION ${APPLE_PREFIX}/icons)
+  endif(ENABLE_NUMIX)
+
   install(DIRECTORY resources/skins DESTINATION ${APPLE_PREFIX})
   install(DIRECTORY resources/misc DESTINATION ${APPLE_PREFIX})
   install(FILES resources/graphics/${APP_LOW_NAME}_128.png DESTINATION ${APPLE_PREFIX} RENAME ${APP_LOW_NAME}.png)
@@ -876,7 +886,11 @@ elseif(UNIX)
   install(TARGETS ${EXE_NAME} RUNTIME DESTINATION bin)
   install(DIRECTORY resources/initial_feeds DESTINATION share/${APP_LOW_NAME})
   install(DIRECTORY resources/graphics/icons/mini-kfaenza DESTINATION share/${APP_LOW_NAME}/icons)
-  install(DIRECTORY resources/graphics/icons/numix DESTINATION share/${APP_LOW_NAME}/icons)
+
+  if(ENABLE_NUMIX)
+    install(DIRECTORY resources/graphics/icons/numix DESTINATION share/${APP_LOW_NAME}/icons)
+  endif(ENABLE_NUMIX)
+
   install(DIRECTORY resources/skins/base DESTINATION share/${APP_LOW_NAME}/skins)
   install(DIRECTORY resources/misc  DESTINATION share/${APP_LOW_NAME})
   install(FILES ${CMAKE_BINARY_DIR}/resources/desktop/${APP_LOW_NAME}.desktop  DESTINATION share/applications)