diff --git a/maintainers/maintainer-list.nix b/maintainers/maintainer-list.nix
index ed83bbb689d5..490cd20e6d16 100644
--- a/maintainers/maintainer-list.nix
+++ b/maintainers/maintainer-list.nix
@@ -21271,6 +21271,12 @@
     githubId = 245573;
     name = "Dmitry Kalinkin";
   };
+  vglfr = {
+    email = "vf.velt@gmail.com";
+    github = "vglfr";
+    githubId = 20283252;
+    name = "vglfr";
+  };
   vgskye = {
     name = "Skye Green";
     email = "me@skye.vg";
diff --git a/pkgs/development/python-modules/jupyterlab-execute-time/default.nix b/pkgs/development/python-modules/jupyterlab-execute-time/default.nix
new file mode 100644
index 000000000000..8af2907fe092
--- /dev/null
+++ b/pkgs/development/python-modules/jupyterlab-execute-time/default.nix
@@ -0,0 +1,41 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, jupyterlab
+, jupyter-packaging
+}:
+
+buildPythonPackage rec {
+  pname = "jupyterlab-execute-time";
+  version = "3.1.2";
+  pyproject = true;
+
+  src = fetchPypi {
+    pname = "jupyterlab_execute_time";
+    inherit version;
+    hash = "sha256-DiyGsoNXXh+ieMfpSrA6A/5c0ftNV9Ygs9Tl2/VEdbk=";
+  };
+
+  # jupyterlab is required to build from source but we use the pre-build package
+  postPatch = ''
+    substituteInPlace pyproject.toml \
+      --replace '"jupyterlab~=4.0.0"' ""
+  '';
+
+  dependencies = [
+    jupyterlab
+    jupyter-packaging
+  ];
+
+  # has no tests
+  doCheck = false;
+
+  pythonImportsCheck = [ "jupyterlab_execute_time" ];
+
+  meta = {
+    description = "JupyterLab extension for displaying cell timings";
+    homepage = "https://github.com/deshaw/jupyterlab-execute-time";
+    license = lib.licenses.bsd3;
+    maintainers = [ lib.maintainers.vglfr ];
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 49e9ec411015..a8567607cc9f 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -6428,6 +6428,8 @@ self: super: with self; {
 
   jupyterlab = callPackage ../development/python-modules/jupyterlab { };
 
+  jupyterlab-execute-time = callPackage ../development/python-modules/jupyterlab-execute-time { };
+
   jupyterlab-git = callPackage ../development/python-modules/jupyterlab-git { };
 
   jupyterlab-pygments = callPackage ../development/python-modules/jupyterlab-pygments { };