diff --git a/YSI_Core/y_core/y_version.inc b/YSI_Core/y_core/y_version.inc
index f123ac9ac..beaa232c0 100644
--- a/YSI_Core/y_core/y_version.inc
+++ b/YSI_Core/y_core/y_version.inc
@@ -98,7 +98,7 @@ CHAIN_FORWARD:YVers_OnYSIInit() = 1;
 
 #define YSI_VERSION_MAJOR               5
 #define YSI_VERSION_MINOR               05
-#define YSI_VERSION_BUILD               0404
+#define YSI_VERSION_BUILD               0505
 
 #define YSI_VERSION                     #YSI_VERSION_MAJOR "." #YSI_VERSION_MINOR "." #YSI_VERSION_BUILD