diff --git a/CMakeLists.txt b/CMakeLists.txt
index bf01ee76..ba6050f6 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -14,7 +14,7 @@ set(META_VERSION_MAJOR 1)
 set(META_VERSION_MINOR 6)
 set(META_VERSION_PATCH 5)
 set(META_RELEASE_DATE "2024-12-03")
-set(META_SOVERSION 20)
+set(META_SOVERSION 21)
 set(META_ADD_DEFAULT_CPP_UNIT_TEST_APPLICATION ON)
 set(NETWORK_INFORMATION_SUPPORT ON)