diff --git a/mace/__version__.py b/mace/__version__.py
index 2eb279ae..17eec33d 100644
--- a/mace/__version__.py
+++ b/mace/__version__.py
@@ -1,3 +1,3 @@
-__version__ = "0.3.8"
+__version__ = "0.3.9"
 
 __all__ = ["__version__"]