diff --git a/client/scripts/protocol/protocol.gd b/client/scripts/protocol/protocol.gd
index a8c605c56..d3b208349 100644
--- a/client/scripts/protocol/protocol.gd
+++ b/client/scripts/protocol/protocol.gd
@@ -11,7 +11,7 @@ class_name Protocol
 
 ## Protocol version — must match server PROTOCOL_VERSION in bridge/types.rs.
 ## Reject snapshots where version != this value.
-const PROTOCOL_VERSION: int = 17
+const PROTOCOL_VERSION: int = 18
 
 
 # -- Decode: bytes from server → GDScript types --------------------------------