diff --git a/setup.py b/setup.py
index 2e0c8a0d818a6d53c7cced7dba7a995afdcd55ff..4d0f4d4cf7d27474be3fa24f2635f6da847b191e 100644
--- a/setup.py
+++ b/setup.py
@@ -21,7 +21,7 @@ def read_requirements(fname):
 
 setuptools.setup(
     name="DART-WRF",
-    version="1.0.0",
+    version="2021.12.14",
     author="Lukas Kugler",
     author_email="lukas.kugler@univie.ac.at",
     description="Observing system simulation experiments with WRF and DART",