diff --git a/Project.toml b/Project.toml
index 897d8e642b..72b4cea2d4 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,7 +1,7 @@
 name = "SpineOpt"
 uuid = "0d8fc150-4032-4b6e-9540-20efcb304861"
 authors = ["Spine Project consortium <spine_info@vtt.fi>"]
-version = "0.9.0"
+version = "0.9.1"
 
 [deps]
 Arrow = "69666777-d1a9-59fb-9406-91d4454c9d45"