diff --git a/CHANGELOG.md b/CHANGELOG.md
index 906799bcfe9a9e69c545309b97d336db08d7ad7e..9359be28a25d2b98def0238e23c12eb025f55e4f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -11,6 +11,7 @@ Please mark all change in change log and use the ticket from JIRA.
 - \#12 - Pure CPU version for Milvus
 - \#77 - Support table partition
 - \#226 - Experimental shards middleware for Milvus
+- \#284 - Change C++ SDK to shread library
 
 ## Improvement
 
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}