diff --git a/pyspectools/_version.py b/pyspectools/_version.py
index 44df915..5d97f93 100644
--- a/pyspectools/_version.py
+++ b/pyspectools/_version.py
@@ -1,2 +1,2 @@
 
-__version__ = "4.4.1"
+__version__ = "4.5.0"