diff --git a/CMakeLists.txt b/CMakeLists.txt
index caff811..139e94c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -26,7 +26,7 @@ set(VERSION_MAJOR "3")
 set(VERSION_MINOR "3")
 set(VERSION_RELEASE "0")
 set(VERSION ${VERSION_MAJOR}.${VERSION_MINOR}.${VERSION_RELEASE})
-set(SOVERSION "9")
+set(SOVERSION "8")
 add_definitions(-D'VERSION="${VERSION}"') #"
 
 set(CMAKE_CXX_STANDARD 14)