diff --git a/docs/history.rst b/docs/history.rst
index f7ecee5..2b32e4e 100644
--- a/docs/history.rst
+++ b/docs/history.rst
@@ -4,6 +4,11 @@ History
 Latest
 ------
 
+
+0.5.1
+------
+- Add default value in vectorize when dataarray has no name, and a warning (pull #166)
+
 0.5.0
 ------
 - BUG: Ignore categorical columns not in measurements (pull #161)
diff --git a/setup.cfg b/setup.cfg
index f3b47f5..1494f06 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -2,7 +2,7 @@
 author = geocube Contributors
 author_email = alansnow21@gmail.com
 name = geocube
-version = 0.5.1
+version = 0.5.2.dev0
 description = Tool to convert geopandas vector data into rasterized xarray data.
 keywords = geocube, GDAL, rasterize, vector
 long_description = file: README.rst