diff --git a/src/ReinforcementLearningEnvironments/Project.toml b/src/ReinforcementLearningEnvironments/Project.toml
index 2a875f0a8..1a210c17b 100644
--- a/src/ReinforcementLearningEnvironments/Project.toml
+++ b/src/ReinforcementLearningEnvironments/Project.toml
@@ -1,6 +1,6 @@
 name = "ReinforcementLearningEnvironments"
 uuid = "25e41dd2-4622-11e9-1641-f1adca772921"
-version = "0.9.0"
+version = "0.9.1"
 
 [deps]
 CommonRLInterface = "d842c3ba-07a1-494f-bbec-f5741b0a3e98"