diff --git a/src/public/tier0/basetypes.h b/src/public/tier0/basetypes.h
index 77479c02..c635bbbc 100644
--- a/src/public/tier0/basetypes.h
+++ b/src/public/tier0/basetypes.h
@@ -140,7 +140,7 @@
 #define MAX_MAP_NAME_HOST 64 // Max host BSP file name len.
 #define MAX_MAP_NAME      64 // Max BSP file name len.
 
-#define SDK_VERSION "VGameSDK012" // Increment this with every /breaking/ SDK change (i.e. security/backend changes breaking compatibility).
+#define SDK_VERSION "VGameSDK013" // Increment this with every /breaking/ SDK change (i.e. security/backend changes breaking compatibility).
 #define SDK_ARRAYSIZE(arr) ((sizeof(arr) / sizeof(*arr))) // Name due to IMGUI implementation and NT implementation that we shouldn't share across everywhere.
 
 #define SDK_SYSTEM_CFG_PATH "cfg/system/"