diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4a1f915..f0f53d5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,12 +5,32 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/)
 and this project adheres to [Semantic Versioning](http://semver.org/).
 
-## Unreleased
+
+## [0.4.0] - December 1st, 2023
+
+Patch release to add in some new features and fixes 
+
+### Added 
+
+- Added Getters that return Cohort information
+
+  *  GetDatabaseCohorts 
+
+  *  GetCohortSubjects
+
+  *  GetCohortSubjectEndDate 
+
+  *  GetCohortSubjectStartDate 
 
 - Misc
 
   * Changed GetDrugExposures to GetDrugExposureIDs
 
+  * Added GetVisitProcedure in getters
+
+- Extensive test suite for new features
+
+
 ## [0.3.0] - August 25th, 2023
 
 New minor release to introduce some new functionalities and novel extensions of the API
@@ -29,17 +49,6 @@ New minor release to introduce some new functionalities and novel extensions of
 
   * GetDrugAmounts
 
-- New functions for creating Cohort queries:
-
-  * GetDatabaseCohorts
-
-  * GetCohortSubjects
-
-  * GetCohortSubjectStartDate
-
-  * GetCohortSubjectEndDate
-
-
 - Extensive test suite for new features
 
 ### Changed
diff --git a/CITATION.cff b/CITATION.cff
index 54b6e8b..a2e6a12 100644
--- a/CITATION.cff
+++ b/CITATION.cff
@@ -8,7 +8,9 @@ authors:
     given-names: Varshini
   - family-names: Abdelazeez
     given-names: Fareeda
-title: "OMOPCDMCohortCreator 0.3.0"
-version: 0.3.0
+  - family-names: Sanjay
+    given-names: Jay
+title: "OMOPCDMCohortCreator 0.4.0"
+version: 0.4.0
 doi: 10.5281/zenodo.7052105
-date-released: 2023-08-25
+date-released: 2023-12-01
diff --git a/Project.toml b/Project.toml
index 06d957d..c788790 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,7 +1,7 @@
 name = "OMOPCDMCohortCreator"
 uuid = "f525a15e-a73f-4eef-870f-f901257eae22"
-authors = ["Jacob Zelko <jacobszelko@gmail.com>", "Fareeda Abdelazeez", "Varshini Chinta"]
-version = "0.3.0"
+authors = ["Jacob Zelko <jacobszelko@gmail.com>", "Fareeda Abdelazeez", "Varshini Chinta", "Jay Sanjay <landgejay124@gmail.com>"]
+version = "0.4.0"
 
 [deps]
 DBInterface = "a10d1c49-ce27-4219-8d33-6db1a4562965"