diff --git a/pkgs/development/python-modules/pytools/default.nix b/pkgs/development/python-modules/pytools/default.nix
index 965f7f350883..d9a5bbd73fb4 100644
--- a/pkgs/development/python-modules/pytools/default.nix
+++ b/pkgs/development/python-modules/pytools/default.nix
@@ -10,11 +10,11 @@
 
 buildPythonPackage rec {
   pname = "pytools";
-  version = "2020.2";
+  version = "2020.4";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "3cacefed54148aafb07502c7c907cae8d9327ea35df16e3366c883a706ed5601";
+    sha256 = "37db39ff11a1b5fc8aec875ae4ddb3d6c21aa0e95bddc9c841aa98e1631ae460";
   };
 
   checkInputs = [ pytest ];