diff --git a/nomadnet/_version.py b/nomadnet/_version.py
index 9c73af2..3e8d9f9 100644
--- a/nomadnet/_version.py
+++ b/nomadnet/_version.py
@@ -1 +1 @@
-__version__ = "1.3.1"
+__version__ = "1.4.0"