1 files changed, 4 insertions, 3 deletions
diff --git a/pkgs/development/python-modules/marshmallow/default.nix b/pkgs/development/python-modules/marshmallow/default.nix
index 5b07fe244413..7b7cadc98894 100644
--- a/pkgs/development/python-modules/marshmallow/default.nix
+++ b/pkgs/development/python-modules/marshmallow/default.nix
@@ -1,10 +1,11 @@
 { lib, buildPythonPackage, fetchPypi,
-  dateutil, simplejson
+  dateutil, simplejson, isPy27
 }:
 
 buildPythonPackage rec {
   pname = "marshmallow";
-  version = "3.2.2";
+  version = "3.3.0";
+  disabled = isPy27;
 
   meta = {
     homepage = "https://github.com/marshmallow-code/marshmallow";
@@ -17,7 +18,7 @@ buildPythonPackage rec {
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "1a358beb89c2b4d5555272065a9533591a3eb02f1b854f3c4002d88d8f2a1ddb";
+    sha256 = "0ba81b6da4ae69eb229b74b3c741ff13fe04fb899824377b1aff5aaa1a9fd46e";
   };
 
   propagatedBuildInputs = [ dateutil simplejson ];