diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1ae461f4ee01ca8228d8d40a60687856244c0558..1087c1b0e0f54ab281fbbd55228180c1593245cd 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -12,6 +12,7 @@ Please mark all change in change log and use the ticket from JIRA.
 - \#204 - improve grpc performance in search
 - \#207 - Add more unittest for config set/get
 - \#208 - optimize unittest to support run single test more easily
+- \#284 - Change C++ SDK to shread library
 
 ## Task
 
diff --git a/core/src/sdk/CMakeLists.txt b/core/src/sdk/CMakeLists.txt
index c68712d34c3853a51cb3764db94cc3bedf906251..71a03c38d0c40b67ea50f1ab6585933d2b70c4d2 100644
--- a/core/src/sdk/CMakeLists.txt
+++ b/core/src/sdk/CMakeLists.txt
@@ -22,7 +22,7 @@ include_directories(include)
 aux_source_directory(interface interface_files)
 aux_source_directory(grpc grpc_client_files)
 
-add_library(milvus_sdk STATIC
+add_library(milvus_sdk SHARED
         ${interface_files}
         ${grpc_client_files}
         ${grpc_service_files}