diff --git a/pyproject.toml b/pyproject.toml
index 28f793c..5304c00 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name='mzspeclib'
-version='1.1.0'
+version='1.0.2'
 description='HUPO-PSI Spectral library format'
 
 keywords = [