diff --git a/src/config/CMakeLists.txt b/src/config/CMakeLists.txt
index 7af98d0..4e0b2eb 100644
--- a/src/config/CMakeLists.txt
+++ b/src/config/CMakeLists.txt
@@ -1,6 +1,6 @@
 aux_source_directory(. SOURCESCODE)
 add_library(kysdk-config SHARED ${SOURCESCODE})
-set_target_properties(kysdk-config PROPERTIES VERSION 2.0.0 SOVERSION 2)
+set_target_properties(kysdk-config PROPERTIES VERSION 2.0.0 SOVERSION 1)
 add_executable(kyconf-test-struct test/test_structlist.c)
 target_link_libraries(kyconf-test-struct kysdk-config kysdk-log pthread)
 
diff --git a/src/diagnostics/CMakeLists.txt b/src/diagnostics/CMakeLists.txt
index d26f58a..37019ba 100644
--- a/src/diagnostics/CMakeLists.txt
+++ b/src/diagnostics/CMakeLists.txt
@@ -5,7 +5,7 @@ project(kydiagnostics LANGUAGES CXX)
 set(DIAGNOSTICS_TOP_DIR ${CMAKE_CURRENT_LIST_DIR})
 
 add_library(${PROJECT_NAME} SHARED)
-set_target_properties(kydiagnostics PROPERTIES VERSION 2.0.0 SOVERSION 2)
+set_target_properties(kydiagnostics PROPERTIES VERSION 2.0.0 SOVERSION 1)
 
 target_compile_options(${PROJECT_NAME} PRIVATE -Wall -g)
 target_compile_features(${PROJECT_NAME} PRIVATE cxx_std_11)
diff --git a/src/gsettings/CMakeLists.txt b/src/gsettings/CMakeLists.txt
index 6950aa9..c20f8c9 100755
--- a/src/gsettings/CMakeLists.txt
+++ b/src/gsettings/CMakeLists.txt
@@ -7,7 +7,7 @@ link_directories(${GTK3_LIBRARY_DIRS})
 add_definitions(${GTK3_CFLAGS_OTHER})
 
 add_library(kysdk-gsetting SHARED ${SOURCESCODE})
-set_target_properties(kysdk-gsetting PROPERTIES VERSION 2.0.0 SOVERSION 2)
+set_target_properties(kysdk-gsetting PROPERTIES VERSION 2.0.0 SOVERSION 1)
 
 add_executable(test-kygsetting test/test-gsetting.c)
 target_link_libraries(kysdk-gsetting ${GTK3_LIBRARIES})
diff --git a/src/log/CMakeLists.txt b/src/log/CMakeLists.txt
index 99c7bcc..e2019a5 100644
--- a/src/log/CMakeLists.txt
+++ b/src/log/CMakeLists.txt
@@ -5,7 +5,7 @@ pkg_check_modules(DBus REQUIRED
                 dbus-1)
 include_directories(${DBus_INCLUDE_DIRS})
 add_library(kysdk-log SHARED ${SOURCESCODE})
-set_target_properties(kysdk-log PROPERTIES VERSION 2.0.0 SOVERSION 2)
+set_target_properties(kysdk-log PROPERTIES VERSION 2.0.0 SOVERSION 1)
 add_executable(kylog-testlog test/test-log.c)
 add_executable(kylog-testsetdir test/test-setdir.c)
 add_executable(kylog-testpressure test/test-pressure.c)
diff --git a/src/timer/CMakeLists.txt b/src/timer/CMakeLists.txt
index efc0bb8..8da44fa 100644
--- a/src/timer/CMakeLists.txt
+++ b/src/timer/CMakeLists.txt
@@ -1,6 +1,6 @@
 aux_source_directory(. SOURCESCODE)
 add_library(kysdk-timer SHARED ${SOURCESCODE})
-set_target_properties(kysdk-timer PROPERTIES VERSION 2.0.0 SOVERSION 2)
+set_target_properties(kysdk-timer PROPERTIES VERSION 2.0.0 SOVERSION 1)
 add_executable(test-kytimer test/test-kytimer.c)
 target_link_libraries(kysdk-timer pthread)
 target_link_libraries(test-kytimer kysdk-timer)
diff --git a/src/utils/CMakeLists.txt b/src/utils/CMakeLists.txt
index 806e824..94b3984 100644
--- a/src/utils/CMakeLists.txt
+++ b/src/utils/CMakeLists.txt
@@ -1,6 +1,6 @@
 aux_source_directory(. SOURCESCODE)
 add_library(kyutils SHARED ${SOURCESCODE})
-set_target_properties(kyutils PROPERTIES VERSION 2.0.0 SOVERSION 2)
+set_target_properties(kyutils PROPERTIES VERSION 2.0.0 SOVERSION 1)
 include_directories(.)
 install(TARGETS kyutils
 	DESTINATION ${CMAKE_INSTALL_LIBDIR})
diff --git a/src/utils/data-structure/CMakeLists.txt b/src/utils/data-structure/CMakeLists.txt
index 832909b..d30773c 100644
--- a/src/utils/data-structure/CMakeLists.txt
+++ b/src/utils/data-structure/CMakeLists.txt
@@ -1,6 +1,6 @@
 aux_source_directory(linklist/skip_linklist SOURCESCODESTRUCT)
 add_library(kydatastruct SHARED ${SOURCESCODESTRUCT})
-set_target_properties(kydatastruct PROPERTIES VERSION 2.0.0 SOVERSION 2)
+set_target_properties(kydatastruct PROPERTIES VERSION 2.0.0 SOVERSION 1)
 add_subdirectory(linklist)
 
 include_directories(linklist)