diff --git a/ecmwf/opendata/__init__.py b/ecmwf/opendata/__init__.py
index b5c2916..9c073c7 100644
--- a/ecmwf/opendata/__init__.py
+++ b/ecmwf/opendata/__init__.py
@@ -10,6 +10,6 @@
 
 from .client import Client
 
-__version__ = "0.3.8"
+__version__ = "0.3.9"
 
 __all__ = ["Client"]