diff --git a/pkgs/development/python-modules/pulp/default.nix b/pkgs/development/python-modules/pulp/default.nix
index ab6fda9d3d45..60b34f098333 100644
--- a/pkgs/development/python-modules/pulp/default.nix
+++ b/pkgs/development/python-modules/pulp/default.nix
@@ -6,11 +6,11 @@
 
 buildPythonPackage rec {
   pname = "PuLP";
-  version = "2.1";
+  version = "2.3";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "06swbi7wygh7y0kxc85q1pdhzk662375d9a5jnahgr76hkwwkybn";
+    sha256 = "9d8ecf532868cc31fa9ff59ee5d5b2049600c5c902c18c794a2bad677c1f92e5";
   };
 
   propagatedBuildInputs = [ pyparsing ];