diff --git a/CHANGELOG.md b/CHANGELOG.md
index f5e8e202c..6343c9e24 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,17 @@
+## 4.0.1 (Aug 22, 2024)
+
+High level enhancements
+
+- Improved support for rendering discriminator properties
+
+Other enhancements and bug fixes
+
+- Merge pull request #927 from PaloAltoNetworks/discriminator-no-mapping
+- add test cases for discriminator
+- add discriminator test spec
+- handle discriminators with no mapping as simply property
+- Add additional oneOf tests ([#924](https://github.com/PaloAltoNetworks/docusaurus-openapi-docs/pull/924))
+
 ## 4.0.0 (Aug 20, 2024)
 
 High level enhancements
diff --git a/README.md b/README.md
index 9278e7db9..26459434e 100644
--- a/README.md
+++ b/README.md
@@ -41,9 +41,9 @@ Key Features:
 
 | Docusaurus OpenAPI Docs | Docusaurus      |
 | ----------------------- | --------------- |
-| 4.0.0 (current)         | `3.5.0 - 3.5.2` |
-| 3.0.2 (legacy)          | `3.0.1 - 3.4.0` |
-| 2.2.1 (legacy)          | `2.4.1 - 2.4.3` |
+| 4.0.x (current)         | `3.5.0 - 3.5.2` |
+| 3.0.x (end-of-support)  | `3.0.1 - 3.4.0` |
+| 2.2.3 (legacy)          | `2.4.1 - 2.4.3` |
 | 1.7.3 (end-of-support)  | `2.0.1 - 2.2.0` |
 
 ## Bootstrapping from Template (new Docusaurus site)
diff --git a/demo/docs/intro.mdx b/demo/docs/intro.mdx
index a81fab3c9..9e9861c89 100644
--- a/demo/docs/intro.mdx
+++ b/demo/docs/intro.mdx
@@ -58,9 +58,9 @@ Key Features:
 
 | Docusaurus OpenAPI Docs | Docusaurus      |
 | ----------------------- | --------------- |
-| 4.0.0 (current)         | `3.5.0 - 3.5.2` |
-| 3.0.2 (legacy)          | `3.0.1 - 3.4.0` |
-| 2.2.1 (legacy)          | `2.4.1 - 2.4.3` |
+| 4.0.x (current)         | `3.5.0 - 3.5.2` |
+| 3.0.x (end-of-support)  | `3.0.1 - 3.4.0` |
+| 2.2.3 (legacy)          | `2.4.1 - 2.4.3` |
 | 1.7.3 (end-of-support)  | `2.0.1 - 2.2.0` |
 
 
diff --git a/demo/package.json b/demo/package.json
index e3a8faf33..9c0742d52 100644
--- a/demo/package.json
+++ b/demo/package.json
@@ -1,6 +1,6 @@
 {
   "name": "demo",
-  "version": "4.0.0",
+  "version": "4.0.1",
   "private": true,
   "scripts": {
     "docusaurus": "docusaurus",
@@ -25,8 +25,8 @@
     "@docusaurus/plugin-google-gtag": "3.5.2",
     "@docusaurus/preset-classic": "3.5.2",
     "clsx": "^1.1.1",
-    "docusaurus-plugin-openapi-docs": "^4.0.0",
-    "docusaurus-theme-openapi-docs": "^4.0.0",
+    "docusaurus-plugin-openapi-docs": "^4.0.1",
+    "docusaurus-theme-openapi-docs": "^4.0.1",
     "prism-react-renderer": "^2.3.0",
     "react": "^18.2.0",
     "react-dom": "^18.2.0"
diff --git a/lerna.json b/lerna.json
index 5a30cf2f8..cf6293bac 100644
--- a/lerna.json
+++ b/lerna.json
@@ -1,4 +1,4 @@
 {
-  "version": "4.0.0",
+  "version": "4.0.1",
   "npmClient": "yarn"
 }
diff --git a/packages/docusaurus-plugin-openapi-docs/README.md b/packages/docusaurus-plugin-openapi-docs/README.md
index 3ee1b3fac..427522e4c 100644
--- a/packages/docusaurus-plugin-openapi-docs/README.md
+++ b/packages/docusaurus-plugin-openapi-docs/README.md
@@ -41,9 +41,9 @@ Key Features:
 
 | Docusaurus OpenAPI Docs | Docusaurus      |
 | ----------------------- | --------------- |
-| 4.0.0 (current)         | `3.5.0 - 3.5.2` |
-| 3.0.2 (legacy)          | `3.0.1 - 3.4.0` |
-| 2.2.1 (legacy)          | `2.4.1 - 2.4.3` |
+| 4.0.x (current)         | `3.5.0 - 3.5.2` |
+| 3.0.x (end-of-support)  | `3.0.1 - 3.4.0` |
+| 2.2.3 (legacy)          | `2.4.1 - 2.4.3` |
 | 1.7.3 (end-of-support)  | `2.0.1 - 2.2.0` |
 
 ## Bootstrapping from Template (new Docusaurus site)
diff --git a/packages/docusaurus-plugin-openapi-docs/package.json b/packages/docusaurus-plugin-openapi-docs/package.json
index 6e0002330..8685c39d6 100644
--- a/packages/docusaurus-plugin-openapi-docs/package.json
+++ b/packages/docusaurus-plugin-openapi-docs/package.json
@@ -1,7 +1,7 @@
 {
   "name": "docusaurus-plugin-openapi-docs",
   "description": "OpenAPI plugin for Docusaurus.",
-  "version": "4.0.0",
+  "version": "4.0.1",
   "license": "MIT",
   "keywords": [
     "openapi",
diff --git a/packages/docusaurus-theme-openapi-docs/package.json b/packages/docusaurus-theme-openapi-docs/package.json
index 57175eab1..0c2003ecb 100644
--- a/packages/docusaurus-theme-openapi-docs/package.json
+++ b/packages/docusaurus-theme-openapi-docs/package.json
@@ -1,7 +1,7 @@
 {
   "name": "docusaurus-theme-openapi-docs",
   "description": "OpenAPI theme for Docusaurus.",
-  "version": "4.0.0",
+  "version": "4.0.1",
   "license": "MIT",
   "keywords": [
     "openapi",
@@ -42,7 +42,7 @@
     "clsx": "^1.1.1",
     "copy-text-to-clipboard": "^3.1.0",
     "crypto-js": "^4.1.1",
-    "docusaurus-plugin-openapi-docs": "^4.0.0",
+    "docusaurus-plugin-openapi-docs": "^4.0.1",
     "docusaurus-plugin-sass": "^0.2.3",
     "file-saver": "^2.0.5",
     "lodash": "^4.17.20",