diff --git a/scripts/vsmlrt.py b/scripts/vsmlrt.py
index b61606d..3387a23 100644
--- a/scripts/vsmlrt.py
+++ b/scripts/vsmlrt.py
@@ -1,4 +1,4 @@
-__version__ = "3.21.4"
+__version__ = "3.21.5"
 
 __all__ = [
     "Backend", "BackendV2",
@@ -897,6 +897,7 @@ class RIFEModel(enum.IntEnum):
     v4_15 = 415
     v4_15_lite = 4151
     v4_16_lite = 4161
+    v4_17 = 417
 
 
 def RIFEMerge(