diff --git a/osp/src/osp.c b/osp/src/osp.c
index 531dadf..9ad738f 100644
--- a/osp/src/osp.c
+++ b/osp/src/osp.c
@@ -148,7 +148,7 @@ OSP_STATUS main(INT32 argc,char *argv[])
 OSP_STATUS osp_init()
 {
     printf("lib build: %s %s\n", __DATE__, __TIME__);
-    printf("---V1.3.SLEVMY.CK.202306122125_application_platform_2023_week28---\n");
+    printf("---V1.3A.SLEVB.CK.202307060929_application_platform_V2.1_2023_week31---\n");
 
     UCP_PRINT_DEBUG("starting OSP initializing...");