diff --git a/Project.toml b/Project.toml
index b1972fd..7703818 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,7 +1,7 @@
 name = "ReinforcementLearningBase"
 uuid = "e575027e-6cd6-5018-9292-cdc6200d2b44"
 authors = ["Johanni Brea <jbrea@users.noreply.github.com>", "Jun Tian <tianjun.cpp@gmail.com>"]
-version = "0.9.0"
+version = "0.9.1"
 
 [deps]
 AbstractTrees = "1520ce14-60c1-5f80-bbc7-55ef81b5835c"