diff --git a/maintainers/maintainer-list.nix b/maintainers/maintainer-list.nix
index 6bda48781781..eb4ccd5f15da 100644
--- a/maintainers/maintainer-list.nix
+++ b/maintainers/maintainer-list.nix
@@ -9449,6 +9449,12 @@
     githubId = 43853194;
     name = "Matheus Vieira";
   };
+  mathiassven = {
+    email = "github@mathiassven.com";
+    github = "MathiasSven";
+    githubId = 24759037;
+    name = "Mathias Sven";
+  };
   mathnerd314 = {
     email = "mathnerd314.gph+hs@gmail.com";
     github = "Mathnerd314";
diff --git a/pkgs/development/python-modules/functiontrace/default.nix b/pkgs/development/python-modules/functiontrace/default.nix
new file mode 100644
index 000000000000..0b34da111b36
--- /dev/null
+++ b/pkgs/development/python-modules/functiontrace/default.nix
@@ -0,0 +1,31 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, setuptools
+, toml
+}:
+
+buildPythonPackage rec {
+  pname = "functiontrace";
+  version = "0.3.7";
+  format = "pyproject";
+
+  src = fetchPypi {
+    inherit pname version;
+    hash = "sha256-3bnxZFq1/D9ntwfv7O2YU6MnKEDWWIG4zX0e3cgCleg=";
+  };
+
+  nativeBuildInputs = [
+    setuptools
+    toml
+  ];
+
+  pythonImportsCheck = [ "functiontrace" ];
+
+  meta = with lib; {
+    homepage = "https://functiontrace.com";
+    description = "The Python module for Functiontrace";
+    license = licenses.prosperity30;
+    maintainers = with maintainers; [ mathiassven ];
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index f02884c4b21a..1e9075ace6ad 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -3733,6 +3733,8 @@ self: super: with self; {
 
   funcsigs = callPackage ../development/python-modules/funcsigs { };
 
+  functiontrace = callPackage ../development/python-modules/functiontrace { };
+
   functools32 = callPackage ../development/python-modules/functools32 { };
 
   funcy = callPackage ../development/python-modules/funcy { };