diff --git a/pkgs/development/python-modules/msgspec/default.nix b/pkgs/development/python-modules/msgspec/default.nix
new file mode 100644
index 000000000000..773adb2a50d6
--- /dev/null
+++ b/pkgs/development/python-modules/msgspec/default.nix
@@ -0,0 +1,36 @@
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+, msgpack
+, pytestCheckHook
+, pythonOlder
+}:
+
+buildPythonPackage rec {
+  pname = "msgspec";
+  version = "0.9.0";
+  format = "setuptools";
+
+  disabled = pythonOlder "3.8";
+
+  src = fetchFromGitHub {
+    owner = "jcrist";
+    repo = pname;
+    rev = version;
+    hash = "sha256-8guKmEnDAOVzBuSvqy5V+dWY1f8FPbysMZTe9FVJPxQ=";
+  };
+
+  # Requires libasan to be accessible
+  doCheck = false;
+
+  pythonImportsCheck = [
+    "msgspec"
+  ];
+
+  meta = with lib; {
+    description = "Module to handle JSON/MessagePack";
+    homepage = "https://github.com/jcrist/msgspec";
+    license = licenses.bsd3;
+    maintainers = with maintainers; [ fab ];
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index eb4600bcaaec..a3993a9a6973 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -5873,6 +5873,8 @@ in {
 
   msgpack-numpy = callPackage ../development/python-modules/msgpack-numpy { };
 
+  msgspec = callPackage ../development/python-modules/msgspec { };
+
   msldap = callPackage ../development/python-modules/msldap { };
 
   msoffcrypto-tool = callPackage ../development/python-modules/msoffcrypto-tool { };