diff --git a/README.md b/README.md
index 7216d24..0cb54ab 100644
--- a/README.md
+++ b/README.md
@@ -6,7 +6,7 @@ RISE: "Live" Reveal.js JupyterLab Slideshow extension.
 
 ## Requirements
 
-- JupyterLab >= 4.0.0
+- JupyterLab >= 4.1.2
 
 ## Install
 
diff --git a/binder/environment.yml b/binder/environment.yml
index f751408..bcf9780 100644
--- a/binder/environment.yml
+++ b/binder/environment.yml
@@ -11,7 +11,7 @@ channels:
 
 dependencies:
   # runtime dependencies
-  - jupyterlab >=4,<5.0.0a0
+  - jupyterlab >=4.1.2,<5.0.0a0
   # labextension build dependencies
   - nodejs >=18,<19
   - pip
diff --git a/pyproject.toml b/pyproject.toml
index bdda474..0316f53 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,5 +1,5 @@
 [build-system]
-requires = ["hatchling>=1.5.0", "jupyterlab>=4.0.0,<5", "hatch-nodejs-version>=0.3.2"]
+requires = ["hatchling>=1.5.0", "jupyterlab>=4.1.0,<5", "hatch-nodejs-version>=0.3.2"]
 build-backend = "hatchling.build"
 
 [project]
@@ -19,7 +19,8 @@ classifiers = [
 ]
 dependencies = [
     "jupyter_server>=2.0.1,<3",
-    "jupyterlab-mathjax3"
+    "jupyterlab>=4.1.0,<5",
+    "jupyterlab-mathjax3",
 ]
 dynamic = ["version", "description", "authors", "urls", "keywords"]
 
@@ -77,11 +78,11 @@ version-cmd = "python scripts/bump_version.py --force"
 
 [tool.jupyter-releaser.hooks]
 before-bump-version = [
-    "python -m pip install 'jupyterlab>=4.0.0,<5'",
+    "python -m pip install 'jupyterlab>=4.1.2,<5'",
     "jlpm"
 ]
 before-build-npm = [
-    "python -m pip install 'jupyterlab>=4.0.0,<5'",
+    "python -m pip install 'jupyterlab>=4.1.2,<5'",
     "jlpm",
     "jlpm build:prod"
 ]