diff --git a/sdk/oldwebscan/hgscannersdk/HG_SCANNER_API.cpp b/sdk/oldwebscan/hgscannersdk/HG_SCANNER_API.cpp
index 25a960ec..7f945fd3 100644
--- a/sdk/oldwebscan/hgscannersdk/HG_SCANNER_API.cpp
+++ b/sdk/oldwebscan/hgscannersdk/HG_SCANNER_API.cpp
@@ -20,7 +20,7 @@ HG_SCANPARAMS	m_params;
 std::string		img_type_ = ".jpg";
 void* m_obj_usb = nullptr;
 void* m_obj_img = nullptr;
-static const char* SDKVersion = "4.23.02.23";
+static const char* SDKVersion = "4.39.03.02";
 char deviceList[60];
 unsigned int compression_data = 80;
 HG_OnDevice_Event_Callback	m_callback_OnDevcie_Event = nullptr;