diff --git a/src/hapsira/__init__.py b/src/hapsira/__init__.py
index 4c7039166..d50218564 100644
--- a/src/hapsira/__init__.py
+++ b/src/hapsira/__init__.py
@@ -1,3 +1,3 @@
 """Utilities and Python wrappers for Orbital Mechanics."""
 
-__version__ = "0.18.0"
+__version__ = "0.19.dev0"