diff --git a/proto/src/main/proto/map.proto b/proto/src/main/proto/map.proto
index 567ce783..968aded5 100644
--- a/proto/src/main/proto/map.proto
+++ b/proto/src/main/proto/map.proto
@@ -35,6 +35,7 @@ message AutoTileLayer {
   repeated uint32 tiles = 2;
   required bool animated = 3;
   required double animationDuration = 4;
+  required bool connect = 5;
 }
 
 message ObjectLayer {
diff --git a/proto/src/main/proto/project.proto b/proto/src/main/proto/project.proto
index d7f47327..9a4629cd 100644
--- a/proto/src/main/proto/project.proto
+++ b/proto/src/main/proto/project.proto
@@ -86,4 +86,10 @@ message AutoTileSetAsset {
   required string name = 3;
   required uint32 rows = 4;
   required uint32 columns = 5;
+  required AutoTileLayout layout = 6;
+}
+
+enum AutoTileLayout {
+  LAYOUT_2X2 = 0;
+  LAYOUT_2X3 = 1;
 }
\ No newline at end of file