diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index 1f5afb9..83703e5 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -7,6 +7,14 @@ Change Log
 ------
 
 
+3.1.0
+=====
+
+`PR:112 add new delete/patch script <https://github.com/4dn-dcic/dcicwrangling/pull/112>_`
+
+* added a new script to facilitating deleting the same field(s) for multiple items or setting the status of the items to 'deleted'
+* added tests 
+
 3.0.2
 =====
 
diff --git a/pyproject.toml b/pyproject.toml
index 45c3ee9..db7fdb8 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "dcicwrangling"
-version = "3.0.2"
+version = "3.1.0"
 description = "Scripts and Jupyter notebooks for 4DN wrangling"
 authors = ["4DN-DCIC Team <support@4dnucleome.org>"]
 license = "MIT"