diff --git a/pkgs/development/python-modules/jupyterlab/default.nix b/pkgs/development/python-modules/jupyterlab/default.nix
index 9f3df60d49ca..f64f383895ff 100644
--- a/pkgs/development/python-modules/jupyterlab/default.nix
+++ b/pkgs/development/python-modules/jupyterlab/default.nix
@@ -21,14 +21,14 @@
 
 buildPythonPackage rec {
   pname = "jupyterlab";
-  version = "4.2.2";
+  version = "4.2.3";
   pyproject = true;
 
   disabled = pythonOlder "3.8";
 
   src = fetchPypi {
     inherit pname version;
-    hash = "sha256-pTS2olcZqSpA1RT7Ezqf6PDZmBsLvOXYpfyqMzRKMDg=";
+    hash = "sha256-325Glp6lHWaBUWfyPZLxBUI7fx8G+mBNT0SusBjILHs=";
   };
 
   build-system = [