diff --git a/CHANGELOG.md b/CHANGELOG.md
index eae2ba4..b612603 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [1.4.0](https://github.com/equinor/atmos-validation/compare/v1.3.3...v1.4.0) (2024-01-08)
+
+
+### Features
+
+* Make batch size a CLI argument ([#19](https://github.com/equinor/atmos-validation/issues/19)) ([270c97c](https://github.com/equinor/atmos-validation/commit/270c97cd49aa8e6e434eabe32a1fa108848b9f26))
+
 ## [1.3.3](https://github.com/equinor/atmos-validation/compare/v1.3.2...v1.3.3) (2024-01-04)
 
 
diff --git a/pyproject.toml b/pyproject.toml
index 18f230a..4613787 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "atmos_validation"
-version = "1.3.3"
+version = "1.4.0"
 description = "A python library containing automated data validation tools for the Atmos Data Service"
 authors = ["Team Atmos (Equinor)"]
 readme = ["README.md", "docs/conventions.md", "docs/run.md"]