diff --git a/pkgs/development/python-modules/itemadapter/default.nix b/pkgs/development/python-modules/itemadapter/default.nix
index d50ad3a78a46..5d85ad719527 100644
--- a/pkgs/development/python-modules/itemadapter/default.nix
+++ b/pkgs/development/python-modules/itemadapter/default.nix
@@ -2,13 +2,13 @@
 
 buildPythonPackage rec {
   pname = "itemadapter";
-  version = "0.3.0";
+  version = "0.4.0";
 
   disabled = isPy27;
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "ab2651ba20f5f6d0e15f041deba4c13ffc59270def2bd01518d13e94c4cd27d1";
+    sha256 = "f05df8da52619da4b8c7f155d8a15af19083c0c7ad941d8c1de799560ad994ca";
   };
 
   doCheck = false; # infinite recursion with Scrapy