diff --git a/external/vb01 b/external/vb01
index 7ef8587..7f8b6fe 160000
--- a/external/vb01
+++ b/external/vb01
@@ -1 +1 @@
-Subproject commit 7ef858737c7a987f95934359cc9e35fb1a6b164b
+Subproject commit 7f8b6fe03a48a8579286fb75404d96dcb2b9bdea
diff --git a/game.cpp b/game.cpp
index 10715c1..429f3a1 100644
--- a/game.cpp
+++ b/game.cpp
@@ -49,6 +49,7 @@ namespace battleship{
 		for(int i = 0; i < getCpuPlayers().size(); i++) {
 			string plStr = "game.cpuPlayers[" + to_string(i + 1) + "]";
 			SOL_LUA_VIEW.script("executeBtNode(" + plStr + ", " + plStr + ".behaviour)");
+			SOL_LUA_VIEW.collect_garbage();
 		}
 
 		int numPlayersWithUnits = 0;