diff --git a/pkgs/development/python-modules/pysnooper/default.nix b/pkgs/development/python-modules/pysnooper/default.nix
index 347daa6cec0c..61e1de20acf9 100644
--- a/pkgs/development/python-modules/pysnooper/default.nix
+++ b/pkgs/development/python-modules/pysnooper/default.nix
@@ -1,26 +1,24 @@
 { lib
 , buildPythonPackage
 , fetchPypi
-, python-toolbox
 , pytest
 , isPy27
 }:
 
 buildPythonPackage rec {
-  version = "0.3.0";
+  version = "0.4.1";
   pname = "pysnooper";
 
   src = fetchPypi {
     inherit version;
     pname = "PySnooper";
-    sha256 = "14vcxrzfmfhsmdck1cb56a6lbfga15qfhlkap9mh47fgspcq8xkx";
+    sha256 = "1xngly13x3ylwwcdml2ns8skpxip2myzavp3b9ff2dpqaalf0hdl";
   };
 
   # test dependency python-toolbox fails with py27
   doCheck = !isPy27;
 
   checkInputs = [
-    python-toolbox
     pytest
   ];