diff --git a/CMakeLists.txt b/CMakeLists.txt
index f59968e3..37b768bf 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -264,7 +264,7 @@ ADD_LIBRARY (msgpack-static STATIC
 SET_TARGET_PROPERTIES (msgpack-static PROPERTIES OUTPUT_NAME "msgpack")
 IF (MSGPACK_ENABLE_SHARED)
     SET_TARGET_PROPERTIES (msgpack PROPERTIES IMPORT_SUFFIX "_import.lib")
-    SET_TARGET_PROPERTIES (msgpack PROPERTIES SOVERSION 3 VERSION 4.0.0)
+    SET_TARGET_PROPERTIES (msgpack PROPERTIES SOVERSION 4 VERSION 4.0.0)
 ENDIF ()
 
 IF (MSGPACK_BUILD_TESTS)