diff --git a/CHANGELOG.md b/CHANGELOG.md
index da4a5963..25fc70f9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -40,6 +40,22 @@ pip install jupytercad-freecad
 
 <!-- <START NEW CHANGELOG ENTRY> -->
 
+## 3.0.0a1
+
+([Full Changelog](https://github.com/jupytercad/JupyterCAD/compare/@jupytercad/base@3.0.0-alpha.0...c1011c6a1d4e731956f30e5085ae6b7bd46d6a0e))
+
+### Maintenance and upkeep improvements
+
+- Fix dependencies pinning [#420](https://github.com/jupytercad/JupyterCAD/pull/420) ([@martinRenou](https://github.com/martinRenou))
+
+### Contributors to this release
+
+([GitHub contributors page for this release](https://github.com/jupytercad/JupyterCAD/graphs/contributors?from=2024-09-16&to=2024-09-16&type=c))
+
+[@martinRenou](https://github.com/search?q=repo%3Ajupytercad%2FJupyterCAD+involves%3AmartinRenou+updated%3A2024-09-16..2024-09-16&type=Issues)
+
+<!-- <END NEW CHANGELOG ENTRY> -->
+
 ## 3.0.0a0
 
 ([Full Changelog](https://github.com/jupytercad/JupyterCAD/compare/@jupytercad/base@2.0.2...482f0cfc16b3ec459ee880c3fd21dc07f5f17e1b))
@@ -90,8 +106,6 @@ pip install jupytercad-freecad
 
 [@arjxn-py](https://github.com/search?q=repo%3Ajupytercad%2FJupyterCAD+involves%3Aarjxn-py+updated%3A2024-07-19..2024-09-16&type=Issues) | [@davidbrochart](https://github.com/search?q=repo%3Ajupytercad%2FJupyterCAD+involves%3Adavidbrochart+updated%3A2024-07-19..2024-09-16&type=Issues) | [@github-actions](https://github.com/search?q=repo%3Ajupytercad%2FJupyterCAD+involves%3Agithub-actions+updated%3A2024-07-19..2024-09-16&type=Issues) | [@martinRenou](https://github.com/search?q=repo%3Ajupytercad%2FJupyterCAD+involves%3AmartinRenou+updated%3A2024-07-19..2024-09-16&type=Issues) | [@pre-commit-ci](https://github.com/search?q=repo%3Ajupytercad%2FJupyterCAD+involves%3Apre-commit-ci+updated%3A2024-07-19..2024-09-16&type=Issues) | [@SylvainCorlay](https://github.com/search?q=repo%3Ajupytercad%2FJupyterCAD+involves%3ASylvainCorlay+updated%3A2024-07-19..2024-09-16&type=Issues) | [@trungleduc](https://github.com/search?q=repo%3Ajupytercad%2FJupyterCAD+involves%3Atrungleduc+updated%3A2024-07-19..2024-09-16&type=Issues)
 
-<!-- <END NEW CHANGELOG ENTRY> -->
-
 ## 2.0.2
 
 ([Full Changelog](https://github.com/jupytercad/JupyterCAD/compare/@jupytercad/base@2.0.1...6cc089370159836d407abf9a797f2f119b076768))
diff --git a/package.json b/package.json
index 2a232dd7..d953a5fa 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@jupytercad/jupytercad-root",
-  "version": "3.0.0-alpha.0",
+  "version": "3.0.0-alpha.1",
   "private": true,
   "homepage": "https://github.com/jupytercad/JupyterCAD",
   "repository": {
diff --git a/packages/base/package.json b/packages/base/package.json
index 4094ef94..6c62a3de 100644
--- a/packages/base/package.json
+++ b/packages/base/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@jupytercad/base",
-  "version": "3.0.0-alpha.0",
+  "version": "3.0.0-alpha.1",
   "description": "A JupyterLab extension for 3D modelling.",
   "keywords": [
     "jupyter",
@@ -38,8 +38,8 @@
     "@deathbeds/jupyterlab-rjsf": "^1.1.0",
     "@jupyter/docprovider": "^2.0.0",
     "@jupyter/ydoc": "^1.0.0",
-    "@jupytercad/occ-worker": "^3.0.0-alpha.0",
-    "@jupytercad/schema": "^3.0.0-alpha.0",
+    "@jupytercad/occ-worker": "^3.0.0-alpha.1",
+    "@jupytercad/schema": "^3.0.0-alpha.1",
     "@jupyterlab/application": "^4.0.0",
     "@jupyterlab/apputils": "^4.0.0",
     "@jupyterlab/completer": "^4.2.4",
diff --git a/packages/occ-worker/package.json b/packages/occ-worker/package.json
index 110cfb28..082c1770 100644
--- a/packages/occ-worker/package.json
+++ b/packages/occ-worker/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@jupytercad/occ-worker",
-  "version": "3.0.0-alpha.0",
+  "version": "3.0.0-alpha.1",
   "description": "Jupytercad opencascade worker package.",
   "keywords": [
     "jupytercad"
@@ -36,8 +36,8 @@
     "watch": "tsc-watch --onSuccess \"webpack --config worker.webpack.config.js --mode=development\""
   },
   "dependencies": {
-    "@jupytercad/opencascade": "^3.0.0-alpha.0",
-    "@jupytercad/schema": "^3.0.0-alpha.0",
+    "@jupytercad/opencascade": "^3.0.0-alpha.1",
+    "@jupytercad/schema": "^3.0.0-alpha.1",
     "@lumino/coreutils": "^2.0.0",
     "uuid": "^8.3.2"
   },
diff --git a/packages/opencascade/package.json b/packages/opencascade/package.json
index 7f2d3006..0c722b10 100644
--- a/packages/opencascade/package.json
+++ b/packages/opencascade/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@jupytercad/opencascade",
-  "version": "3.0.0-alpha.0",
+  "version": "3.0.0-alpha.1",
   "description": "The custom OpenCascade build for JupyterCAD.",
   "keywords": [
     "jupyter",
diff --git a/packages/schema/package.json b/packages/schema/package.json
index fec601f3..de8acd96 100644
--- a/packages/schema/package.json
+++ b/packages/schema/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@jupytercad/schema",
-  "version": "3.0.0-alpha.0",
+  "version": "3.0.0-alpha.1",
   "description": "A Jupytercad schema package.",
   "keywords": [
     "jupytercad"
diff --git a/python/jupytercad/jupytercad/__init__.py b/python/jupytercad/jupytercad/__init__.py
index 05cda236..5e72fccc 100644
--- a/python/jupytercad/jupytercad/__init__.py
+++ b/python/jupytercad/jupytercad/__init__.py
@@ -1,3 +1,3 @@
-__version__ = "3.0.0a0"
+__version__ = "3.0.0a1"
 
 from jupytercad_lab import CadDocument  # noqa
diff --git a/python/jupytercad/pyproject.toml b/python/jupytercad/pyproject.toml
index a77b720e..f6f1fec9 100644
--- a/python/jupytercad/pyproject.toml
+++ b/python/jupytercad/pyproject.toml
@@ -19,9 +19,9 @@ classifiers = [
   "Programming Language :: Python :: 3.12",
 ]
 dependencies = [
-  "jupytercad_core==3.0.0a0",
-  "jupytercad_lab==3.0.0a0",
-  "jupytercad_app==3.0.0a0",
+  "jupytercad_core==3.0.0a1",
+  "jupytercad_lab==3.0.0a1",
+  "jupytercad_app==3.0.0a1",
 ]
 dynamic = ["version"]
 license = {file = "LICENSE"}
diff --git a/python/jupytercad_app/package.json b/python/jupytercad_app/package.json
index e9010975..668c8788 100644
--- a/python/jupytercad_app/package.json
+++ b/python/jupytercad_app/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@jupytercad/jupytercad-app",
-  "version": "3.0.0-alpha.0",
+  "version": "3.0.0-alpha.1",
   "description": "A JupyterLab standalone app for 3D modelling.",
   "keywords": [
     "jupyter",
@@ -54,8 +54,8 @@
     "@jupyter/collaboration": "^2.0.0",
     "@jupyter/docprovider": "^2.0.0",
     "@jupyter/ydoc": "^0.3.4 || ^1.0.2",
-    "@jupytercad/base": "^3.0.0-alpha.0",
-    "@jupytercad/schema": "^3.0.0-alpha.0",
+    "@jupytercad/base": "^3.0.0-alpha.1",
+    "@jupytercad/schema": "^3.0.0-alpha.1",
     "@jupyterlab/application": "^4.0.0",
     "@jupyterlab/application-extension": "^4.0.0",
     "@jupyterlab/apputils": "^4.0.0",
diff --git a/python/jupytercad_core/package.json b/python/jupytercad_core/package.json
index 05990c72..d1e918cb 100644
--- a/python/jupytercad_core/package.json
+++ b/python/jupytercad_core/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@jupytercad/jupytercad-core",
-  "version": "3.0.0-alpha.0",
+  "version": "3.0.0-alpha.1",
   "description": "JupyterCad core extension",
   "keywords": [
     "jupyter",
@@ -54,9 +54,9 @@
   },
   "dependencies": {
     "@jupyter/docprovider": "^2.0.0",
-    "@jupytercad/base": "^3.0.0-alpha.0",
-    "@jupytercad/occ-worker": "^3.0.0-alpha.0",
-    "@jupytercad/schema": "^3.0.0-alpha.0",
+    "@jupytercad/base": "^3.0.0-alpha.1",
+    "@jupytercad/occ-worker": "^3.0.0-alpha.1",
+    "@jupytercad/schema": "^3.0.0-alpha.1",
     "@jupyterlab/application": "^4.0.0",
     "@jupyterlab/apputils": "^4.0.0",
     "@jupyterlab/docregistry": "^4.0.0",
diff --git a/python/jupytercad_lab/package.json b/python/jupytercad_lab/package.json
index ed0b8eea..b1792aff 100644
--- a/python/jupytercad_lab/package.json
+++ b/python/jupytercad_lab/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@jupytercad/jupytercad-lab",
-  "version": "3.0.0-alpha.0",
+  "version": "3.0.0-alpha.1",
   "description": "JupyterCad Lab extension.",
   "keywords": [
     "jupyter",
@@ -52,9 +52,9 @@
   },
   "dependencies": {
     "@jupyter/docprovider": "^2.0.0",
-    "@jupytercad/base": "^3.0.0-alpha.0",
-    "@jupytercad/jupytercad-core": "^3.0.0-alpha.0",
-    "@jupytercad/schema": "^3.0.0-alpha.0",
+    "@jupytercad/base": "^3.0.0-alpha.1",
+    "@jupytercad/jupytercad-core": "^3.0.0-alpha.1",
+    "@jupytercad/schema": "^3.0.0-alpha.1",
     "@jupyterlab/application": "^4.0.0",
     "@jupyterlab/apputils": "^4.0.0",
     "@jupyterlab/coreutils": "^6.0.0",
diff --git a/yarn.lock b/yarn.lock
index 387ef502..272e68be 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -865,7 +865,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@jupytercad/base@^3.0.0-alpha.0, @jupytercad/base@workspace:packages/base":
+"@jupytercad/base@^3.0.0-alpha.1, @jupytercad/base@workspace:packages/base":
   version: 0.0.0-use.local
   resolution: "@jupytercad/base@workspace:packages/base"
   dependencies:
@@ -873,8 +873,8 @@ __metadata:
     "@deathbeds/jupyterlab-rjsf": ^1.1.0
     "@jupyter/docprovider": ^2.0.0
     "@jupyter/ydoc": ^1.0.0
-    "@jupytercad/occ-worker": ^3.0.0-alpha.0
-    "@jupytercad/schema": ^3.0.0-alpha.0
+    "@jupytercad/occ-worker": ^3.0.0-alpha.1
+    "@jupytercad/schema": ^3.0.0-alpha.1
     "@jupyterlab/application": ^4.0.0
     "@jupyterlab/apputils": ^4.0.0
     "@jupyterlab/completer": ^4.2.4
@@ -917,8 +917,8 @@ __metadata:
     "@jupyter/collaboration": ^2.0.0
     "@jupyter/docprovider": ^2.0.0
     "@jupyter/ydoc": ^0.3.4 || ^1.0.2
-    "@jupytercad/base": ^3.0.0-alpha.0
-    "@jupytercad/schema": ^3.0.0-alpha.0
+    "@jupytercad/base": ^3.0.0-alpha.1
+    "@jupytercad/schema": ^3.0.0-alpha.1
     "@jupyterlab/application": ^4.0.0
     "@jupyterlab/application-extension": ^4.0.0
     "@jupyterlab/apputils": ^4.0.0
@@ -977,14 +977,14 @@ __metadata:
   languageName: unknown
   linkType: soft
 
-"@jupytercad/jupytercad-core@^3.0.0-alpha.0, @jupytercad/jupytercad-core@workspace:python/jupytercad_core":
+"@jupytercad/jupytercad-core@^3.0.0-alpha.1, @jupytercad/jupytercad-core@workspace:python/jupytercad_core":
   version: 0.0.0-use.local
   resolution: "@jupytercad/jupytercad-core@workspace:python/jupytercad_core"
   dependencies:
     "@jupyter/docprovider": ^2.0.0
-    "@jupytercad/base": ^3.0.0-alpha.0
-    "@jupytercad/occ-worker": ^3.0.0-alpha.0
-    "@jupytercad/schema": ^3.0.0-alpha.0
+    "@jupytercad/base": ^3.0.0-alpha.1
+    "@jupytercad/occ-worker": ^3.0.0-alpha.1
+    "@jupytercad/schema": ^3.0.0-alpha.1
     "@jupyterlab/application": ^4.0.0
     "@jupyterlab/apputils": ^4.0.0
     "@jupyterlab/builder": ^4.0.0
@@ -1017,9 +1017,9 @@ __metadata:
   resolution: "@jupytercad/jupytercad-lab@workspace:python/jupytercad_lab"
   dependencies:
     "@jupyter/docprovider": ^2.0.0
-    "@jupytercad/base": ^3.0.0-alpha.0
-    "@jupytercad/jupytercad-core": ^3.0.0-alpha.0
-    "@jupytercad/schema": ^3.0.0-alpha.0
+    "@jupytercad/base": ^3.0.0-alpha.1
+    "@jupytercad/jupytercad-core": ^3.0.0-alpha.1
+    "@jupytercad/schema": ^3.0.0-alpha.1
     "@jupyterlab/application": ^4.0.0
     "@jupyterlab/apputils": ^4.0.0
     "@jupyterlab/builder": ^4.0.0
@@ -1068,12 +1068,12 @@ __metadata:
   languageName: unknown
   linkType: soft
 
-"@jupytercad/occ-worker@^3.0.0-alpha.0, @jupytercad/occ-worker@workspace:packages/occ-worker":
+"@jupytercad/occ-worker@^3.0.0-alpha.1, @jupytercad/occ-worker@workspace:packages/occ-worker":
   version: 0.0.0-use.local
   resolution: "@jupytercad/occ-worker@workspace:packages/occ-worker"
   dependencies:
-    "@jupytercad/opencascade": ^3.0.0-alpha.0
-    "@jupytercad/schema": ^3.0.0-alpha.0
+    "@jupytercad/opencascade": ^3.0.0-alpha.1
+    "@jupytercad/schema": ^3.0.0-alpha.1
     "@lumino/coreutils": ^2.0.0
     "@types/node": ^18.15.11
     copy-webpack-plugin: ^10.0.0
@@ -1089,7 +1089,7 @@ __metadata:
   languageName: unknown
   linkType: soft
 
-"@jupytercad/opencascade@^3.0.0-alpha.0, @jupytercad/opencascade@workspace:packages/opencascade":
+"@jupytercad/opencascade@^3.0.0-alpha.1, @jupytercad/opencascade@workspace:packages/opencascade":
   version: 0.0.0-use.local
   resolution: "@jupytercad/opencascade@workspace:packages/opencascade"
   dependencies:
@@ -1100,7 +1100,7 @@ __metadata:
   languageName: unknown
   linkType: soft
 
-"@jupytercad/schema@^3.0.0-alpha.0, @jupytercad/schema@workspace:packages/schema":
+"@jupytercad/schema@^3.0.0-alpha.1, @jupytercad/schema@workspace:packages/schema":
   version: 0.0.0-use.local
   resolution: "@jupytercad/schema@workspace:packages/schema"
   dependencies:
@@ -3667,12 +3667,12 @@ __metadata:
   linkType: hard
 
 "@types/react@npm:*, @types/react@npm:^18.0.26":
-  version: 18.3.5
-  resolution: "@types/react@npm:18.3.5"
+  version: 18.3.6
+  resolution: "@types/react@npm:18.3.6"
   dependencies:
     "@types/prop-types": "*"
     csstype: ^3.0.2
-  checksum: 63d2ff473b348c902b68c20be55d2c5124d078c4336c2d1778f316c27789ed596657e8e714022ce14fb24994b0960fc64c913e629bb0bf85815355b0c31eb46b
+  checksum: 66cf1ea408b63c518e2d36c5a8c425e856885c62160d85cfa653c061bbf744f7858b102da04d2bad72bd93a5469e016538e0723f57ef56de512c79712d209add
   languageName: node
   linkType: hard