diff --git a/HISTORY.md b/HISTORY.md
index 60cec33..0541668 100644
--- a/HISTORY.md
+++ b/HISTORY.md
@@ -1,5 +1,7 @@
 # History
 
+## 0.5.1.dev0
+
 ## 0.5.0
 
 Adds `load_as_uniform_grid` for interpolating stretched grids onto uniform grids, drops python 3.10, and modernizes the CI and release tooling.
diff --git a/yt_xarray/__init__.py b/yt_xarray/__init__.py
index 68576c3..6d33bea 100644
--- a/yt_xarray/__init__.py
+++ b/yt_xarray/__init__.py
@@ -2,7 +2,7 @@
 
 __author__ = """Chris Havlin"""
 __email__ = "chris.havlin@gmail.com"
-__version__ = "0.5.0"
+__version__ = "0.5.1.dev0"
 
 
 # import the xarray accessor so it is registered with xarray