diff --git a/titles/mai2/const.py b/titles/mai2/const.py
index 6a53324..99642b2 100644
--- a/titles/mai2/const.py
+++ b/titles/mai2/const.py
@@ -124,6 +124,7 @@ class Mai2Constants:
         "135": VER_MAIMAI_DX_FESTIVAL_PLUS,
         "140": VER_MAIMAI_DX_BUDDIES,
         "145": VER_MAIMAI_DX_BUDDIES_PLUS,
+        "150": VER_MAIMAI_DX_PRISM
     }
 
     @classmethod