diff --git a/.github/workflows/job.test.yml b/.github/workflows/job.test.yml
index f44ed6abd..890e406d2 100644
--- a/.github/workflows/job.test.yml
+++ b/.github/workflows/job.test.yml
@@ -44,7 +44,7 @@ jobs:
       matrix:
         os: [ubuntu]
         nodejs: ['>=16,<17.0.0a0']
-        lab: ['>=4.0.0,<5.0.0a0']
+        lab: ['>=4.0.3,<5.0.0a0']
         r: ['>=4']
     steps:
       - uses: actions/checkout@v3
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index b00ddd0bf..ded3c8b89 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -33,7 +33,7 @@ Development requires, at a minimum:
 
 - `nodejs >=16,!=17,<19`
 - `python >=3.8,<3.11.0a0`
-- `jupyterlab >=4.0.0,<5.0.0a0`
+- `jupyterlab >=4.0.3,<5.0.0a0`
 
 It is recommended to use a virtual environment (e.g. `virtualenv` or `conda env`)
 for development.
diff --git a/README.md b/README.md
index 6618bc810..9f6bab34a 100644
--- a/README.md
+++ b/README.md
@@ -90,7 +90,7 @@ Use context menu on rows in the panel to filter out diagnostics or copy their me
 
 You will need to have both of the following installed:
 
-- JupyterLab >=4.0.0,<5.0.0a0
+- JupyterLab >=4.0.3,<5.0.0a0
 - Python 3.8+
 
 In addition, if you wish to use javascript, html, markdown or any other NodeJS-based language server you will need to have appropriate NodeJS version installed.
diff --git a/binder/environment.yml b/binder/environment.yml
index 18f5548ae..fd11f139a 100644
--- a/binder/environment.yml
+++ b/binder/environment.yml
@@ -7,7 +7,7 @@ channels:
 dependencies:
   # runtime dependencies
   - python >=3.8,<3.11.0a0
-  - jupyterlab >=4.0.0,<5.0.0a0
+  - jupyterlab >=4.0.3,<5.0.0a0
   - jupyter_server >=1.1.2
   # TODO: uncomment once Notebook 7 is released
   #- notebook >= 7.0
diff --git a/docs/rtd.yml b/docs/rtd.yml
index c953d384c..afe60046c 100644
--- a/docs/rtd.yml
+++ b/docs/rtd.yml
@@ -7,7 +7,7 @@ channels:
 
 dependencies:
   - importlib_metadata
-  - jupyterlab >=4.0.0,<5.0.0a0
+  - jupyterlab >=4.0.3,<5.0.0a0
   - myst-nb
   - nodejs >=16,!=17,<19
   - pandas
diff --git a/python_packages/jupyterlab_lsp/setup.cfg b/python_packages/jupyterlab_lsp/setup.cfg
index 81645ac81..0a5862838 100644
--- a/python_packages/jupyterlab_lsp/setup.cfg
+++ b/python_packages/jupyterlab_lsp/setup.cfg
@@ -37,4 +37,4 @@ python_requires = >=3.8
 
 install_requires =
     jupyter_lsp >=2.0.0
-    jupyterlab >=4.0.0,<5.0.0a0
+    jupyterlab >=4.0.3,<5.0.0a0
diff --git a/requirements/lab.txt b/requirements/lab.txt
index 5b757a56a..4a45429bf 100644
--- a/requirements/lab.txt
+++ b/requirements/lab.txt
@@ -1,3 +1,3 @@
 # the version of jupyterlab
 -r ./prod.txt
-jupyterlab >=4.0.0,<5.0.0a0
+jupyterlab >=4.0.3,<5.0.0a0