diff --git a/py/desisim/_version.py b/py/desisim/_version.py
index a7e6dbfc..cfd7ce6f 100644
--- a/py/desisim/_version.py
+++ b/py/desisim/_version.py
@@ -1 +1 @@
-__version__ = '0.38.1'
+__version__ = '0.38.1.dev2447'