diff --git a/scienceworld/scienceworld.jar b/scienceworld/scienceworld.jar
index 20b2860..f78e707 100644
Binary files a/scienceworld/scienceworld.jar and b/scienceworld/scienceworld.jar differ
diff --git a/simulator/build.sbt b/simulator/build.sbt
index 982a4c6..b2461b5 100644
--- a/simulator/build.sbt
+++ b/simulator/build.sbt
@@ -1,6 +1,6 @@
 name := "scienceworld-scala"
 
-version := "1.2.0"
+version := "1.2.1"
 
 scalaVersion := "2.12.9"