diff --git a/pkgs/development/python-modules/jupyterlab-lsp/default.nix b/pkgs/development/python-modules/jupyterlab-lsp/default.nix
index d7f62e9e2034..5ebdb8ae5f59 100644
--- a/pkgs/development/python-modules/jupyterlab-lsp/default.nix
+++ b/pkgs/development/python-modules/jupyterlab-lsp/default.nix
@@ -7,11 +7,11 @@
 
 buildPythonPackage rec {
   pname = "jupyterlab-lsp";
-  version = "4.0.1";
+  version = "4.2.0";
 
   src = fetchPypi {
     inherit pname version;
-    hash = "sha256-1VPRfs+F24h2xJeoJglZQpuCcPDk6Ptf8cWrAW3G5to=";
+    hash = "sha256-OqsByMrAQKjTqev6QIUiOwVLf71iGdPHtWD2qXZsovM=";
   };
 
   propagatedBuildInputs = [