diff --git a/pkgs/development/python-modules/psygnal/default.nix b/pkgs/development/python-modules/psygnal/default.nix
new file mode 100644
index 000000000000..da61f52fa0f8
--- /dev/null
+++ b/pkgs/development/python-modules/psygnal/default.nix
@@ -0,0 +1,35 @@
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+, wheel
+, setuptools
+, setuptools_scm
+, pytestCheckHook
+, pytest-mypy-plugins
+, pytest-cov
+, pytest
+, mypy
+, typing-extensions
+}: buildPythonPackage rec
+{
+  pname = "psygnal";
+  version = "0.2.0";
+  src = fetchFromGitHub {
+    owner = "tlambert03";
+    repo = pname;
+    rev = "v${version}";
+    sha256 = "sha256-SiG2ywNEw3aNrRXyEMFTnvHKtKowO8yqoCaNI8PT4/Y=";
+  };
+  buildInputs = [ setuptools_scm ];
+  propagatedBuildInputs = [ typing-extensions ];
+  checkInputs = [ pytestCheckHook pytest-cov pytest-mypy-plugins ];
+  doCheck = false;  # mypy checks are failing
+  SETUPTOOLS_SCM_PRETEND_VERSION = version;
+
+  meta = with lib; {
+    description = "Pure python implementation of Qt Signals";
+    homepage = "https://github.com/tlambert03/psygnal";
+    license = licenses.bsd3;
+    maintainers = with maintainers; [ SomeoneSerge ];
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 999a91dbf150..f575dc6e3e60 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -6285,6 +6285,8 @@ in {
 
   psycopg2cffi = callPackage ../development/python-modules/psycopg2cffi { };
 
+  psygnal = callPackage ../development/python-modules/psygnal { };
+
   ptable = callPackage ../development/python-modules/ptable { };
 
   ptest = callPackage ../development/python-modules/ptest { };