diff --git a/pkgs/development/tools/mypy/default.nix b/pkgs/development/tools/mypy/default.nix
index 6dc57afb51ef..f06f9c6828c8 100644
--- a/pkgs/development/tools/mypy/default.nix
+++ b/pkgs/development/tools/mypy/default.nix
@@ -1,19 +1,18 @@
-{ stdenv, fetchPypi, buildPythonApplication, lxml, typed-ast }:
+{ stdenv, fetchPypi, buildPythonApplication, lxml, typed-ast, psutil }:
 
 buildPythonApplication rec {
-  name = "${pname}-${version}";
   pname = "mypy";
-  version = "0.540";
+  version = "0.560";
 
   # Tests not included in pip package.
   doCheck = false;
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "5d82f51e228a88e5de6ac1d6699dd09e250ce7de217a5ff1256e317266e738ec";
+    sha256 = "1jja0xlwqajxzab8sabiycax8060zikg89dnl9a7lkqcrwprl35x";
   };
 
-  propagatedBuildInputs = [ lxml typed-ast ];
+  propagatedBuildInputs = [ lxml typed-ast psutil ];
 
   meta = with stdenv.lib; {
     description = "Optional static typing for Python";
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 0b84f7cea221..b3aabc5f7e3e 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -8038,9 +8038,7 @@ with pkgs;
 
   grabserial = callPackage ../development/tools/grabserial { };
 
-  mypy = callPackage ../development/tools/mypy {
-    inherit (python3Packages) fetchPypi buildPythonApplication lxml typed-ast;
-  };
+  mypy = python3Packages.callPackage ../development/tools/mypy { };
 
   ### DEVELOPMENT / LIBRARIES