diff --git a/src/DMAPI/tgs.dm b/src/DMAPI/tgs.dm
index 4095138f2b..566b2784fc 100644
--- a/src/DMAPI/tgs.dm
+++ b/src/DMAPI/tgs.dm
@@ -1,6 +1,6 @@
 //tgstation-server DMAPI
 
-#define TGS_DMAPI_VERSION "5.1.0"
+#define TGS_DMAPI_VERSION "5.0.0"
 
 //All functions and datums outside this document are subject to change with any version and should not be relied on