diff --git a/pyproject.toml b/pyproject.toml
index e9961fb106e3acaed7745c6a5611beafe090efcf..54779ecdd931aa059e4154157ea2b74cfcbbe200 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "MaggotUBA-adapter"
-version = "0.10"
+version = "0.9.1"
 description = "Interface between MaggotUBA and the Nyx tagging UI"
 authors = ["François Laurent"]
 license = "MIT"