diff --git a/v2.3.x/Variables.json b/v2.3.x/Variables.json
index edbf2f1a6..6e608c069 100644
--- a/v2.3.x/Variables.json
+++ b/v2.3.x/Variables.json
@@ -10,6 +10,8 @@
   "milvus_go_sdk_real_version": "2.3.0",
   "milvus_java_sdk_version": "2.3.x",
   "milvus_java_sdk_real_version": "2.3.0",
+  "milvus_csharp_sdk_version": "2.2.x",
+  "milvus_csharp_sdk_real_version": "2.2.14", 
   "milvus_restful_sdk_version": "2.3.x",
   "milvus_restful_sdk_real_version": "2.3.0",
   "milvus_operator_version": "0.8.0",