diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1ba0a576..8d8c1ab6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,24 @@
 
 <!-- <START NEW CHANGELOG ENTRY> -->
 
+## 1.4.0
+
+([Full Changelog](https://github.com/jupyterlab/jupyter-ai/compare/@jupyter-ai/core@1.3.0...52c9339d332749b58bc87528801537ad77705e6f))
+
+See [v2.4.0](https://github.com/jupyterlab/jupyter-ai/releases/tag/v2.4.0) release notes for details on all changes in this release.
+
+### Maintenance and upkeep improvements
+
+- Backport PRs 344, 407, 415 [#417](https://github.com/jupyterlab/jupyter-ai/pull/417) ([@3coins](https://github.com/3coins))
+
+### Contributors to this release
+
+([GitHub contributors page for this release](https://github.com/jupyterlab/jupyter-ai/graphs/contributors?from=2023-10-09&to=2023-10-24&type=c))
+
+[@3coins](https://github.com/search?q=repo%3Ajupyterlab%2Fjupyter-ai+involves%3A3coins+updated%3A2023-10-09..2023-10-24&type=Issues)
+
+<!-- <END NEW CHANGELOG ENTRY> -->
+
 ## 1.3.0
 
 ([Full Changelog](https://github.com/jupyterlab/jupyter-ai/compare/@jupyter-ai/core@1.2.0...f95f0b8b6573d6caab4158b134ba731efdb058be))
@@ -31,8 +49,6 @@ This is a backport of v2.3.0 to 1.x. Please see the v2.3.0 changelog for a more
 
 [@3coins](https://github.com/search?q=repo%3Ajupyterlab%2Fjupyter-ai+involves%3A3coins+updated%3A2023-09-05..2023-10-09&type=Issues) | [@andrii-i](https://github.com/search?q=repo%3Ajupyterlab%2Fjupyter-ai+involves%3Aandrii-i+updated%3A2023-09-05..2023-10-09&type=Issues) | [@dlqqq](https://github.com/search?q=repo%3Ajupyterlab%2Fjupyter-ai+involves%3Adlqqq+updated%3A2023-09-05..2023-10-09&type=Issues) | [@JasonWeill](https://github.com/search?q=repo%3Ajupyterlab%2Fjupyter-ai+involves%3AJasonWeill+updated%3A2023-09-05..2023-10-09&type=Issues) | [@krassowski](https://github.com/search?q=repo%3Ajupyterlab%2Fjupyter-ai+involves%3Akrassowski+updated%3A2023-09-05..2023-10-09&type=Issues)
 
-<!-- <END NEW CHANGELOG ENTRY> -->
-
 ## 1.2.0
 
 See the v2.2.0 changelog for more details on the changes from v1.1.0.
diff --git a/lerna.json b/lerna.json
index 81017658..0fe6ee88 100644
--- a/lerna.json
+++ b/lerna.json
@@ -1,7 +1,7 @@
 {
   "$schema": "node_modules/lerna/schemas/lerna-schema.json",
   "useWorkspaces": true,
-  "version": "1.3.0",
+  "version": "1.4.0",
   "npmClient": "yarn",
   "useNx": true
 }
diff --git a/package.json b/package.json
index ce41f3b6..dfbd75f6 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@jupyter-ai/monorepo",
-  "version": "1.3.0",
+  "version": "1.4.0",
   "description": "A generative AI extension for JupyterLab",
   "private": true,
   "keywords": [
diff --git a/packages/jupyter-ai-magics/package.json b/packages/jupyter-ai-magics/package.json
index d1080ba5..18a18e52 100644
--- a/packages/jupyter-ai-magics/package.json
+++ b/packages/jupyter-ai-magics/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@jupyter-ai/magics",
-  "version": "1.3.0",
+  "version": "1.4.0",
   "description": "Jupyter AI magics Python package. Not published on NPM.",
   "private": true,
   "homepage": "https://github.com/jupyterlab/jupyter-ai",
diff --git a/packages/jupyter-ai/package.json b/packages/jupyter-ai/package.json
index eba0347c..5ce8db2e 100644
--- a/packages/jupyter-ai/package.json
+++ b/packages/jupyter-ai/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@jupyter-ai/core",
-  "version": "1.3.0",
+  "version": "1.4.0",
   "description": "A generative AI extension for JupyterLab",
   "keywords": [
     "jupyter",