diff --git a/CMakeLists.txt b/CMakeLists.txt
index 5bd84b2..d677a0c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -25,7 +25,7 @@ set(VERSION_MAJOR "3")
 set(VERSION_MINOR "0")
 set(VERSION_RELEASE "50")
 set(VERSION ${VERSION_MAJOR}.${VERSION_MINOR}.${VERSION_RELEASE})
-set(SOVERSION "4")
+set(SOVERSION "5")
 add_definitions(-D'VERSION="${VERSION}"') #"
 
 find_package(ECM 1.0.0 REQUIRED NO_MODULE)