diff --git a/.bumpversion.cfg b/.bumpversion.cfg
index 5b2c6c629..44508a61e 100644
--- a/.bumpversion.cfg
+++ b/.bumpversion.cfg
@@ -1,5 +1,5 @@
 [bumpversion]
-current_version = 0.3.1
+current_version = 0.4.0
 parse = ^(?P<major>0|[1-9]\d*)\.(?P<minor>0|[1-9]\d*)\.(?P<patch>0|[1-9]\d*)(?:-(?P<prerelease>(?:0|[1-9]\d*|\d*[a-zA-Z-][0-9a-zA-Z-]*)(?:\.(?:0|[1-9]\d*|\d*[a-zA-Z-][0-9a-zA-Z-]*))*))?(?:\+(?P<buildmetadata>[0-9a-zA-Z-]+(?:\.[0-9a-zA-Z-]+)*))?$
 serialize = 
 	{major}.{minor}.{patch}-{prerelease}+{buildmetadata}
diff --git a/README.md b/README.md
index 883b1022b..a269ed27b 100644
--- a/README.md
+++ b/README.md
@@ -2,7 +2,7 @@
 [![Release](https://img.shields.io/github/v/release/IBM/cloudant-node-sdk?include_prereleases&sort=semver)](https://github.com/IBM/cloudant-node-sdk/releases/latest)
 [![Docs](https://img.shields.io/static/v1?label=TypeDoc&message=latest&color=blue)](https://ibm.github.io/cloudant-node-sdk/)
 
-# IBM Cloudant Node.js SDK Version 0.3.1
+# IBM Cloudant Node.js SDK Version 0.4.0
 
 IBM Cloudant Node.js SDK is a client library that interacts with the
 [IBM Cloudant APIs](https://cloud.ibm.com/apidocs/cloudant?code=node).
diff --git a/package-lock.json b/package-lock.json
index 2d17a42ea..fd7154845 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@ibm-cloud/cloudant",
-  "version": "0.3.1",
+  "version": "0.4.0",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "@ibm-cloud/cloudant",
-      "version": "0.3.1",
+      "version": "0.4.0",
       "license": "Apache-2.0",
       "dependencies": {
         "@types/node": "14.18.36",
diff --git a/package.json b/package.json
index ded5697a3..0fcdaf9b6 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@ibm-cloud/cloudant",
-  "version": "0.3.1",
+  "version": "0.4.0",
   "description": "IBM Cloudant Node.js SDK",
   "main": "index.js",
   "repository": {