diff --git a/pkgs/development/python-modules/traitsui/default.nix b/pkgs/development/python-modules/traitsui/default.nix
index 5748ff91db13..774a42fc13a3 100644
--- a/pkgs/development/python-modules/traitsui/default.nix
+++ b/pkgs/development/python-modules/traitsui/default.nix
@@ -4,11 +4,11 @@
 
 buildPythonPackage rec {
   pname = "traitsui";
-  version = "7.1.1";
+  version = "7.2.1";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "77d9dc5830c4e7ab94f9225bc2f082430399d95c943f1616db41e83a94df38e5";
+    sha256 = "dfc39015faf0591f9927e3d4d22bd95a16d49c85db30e60acd4ba7b85c7c5d5b";
   };
 
   propagatedBuildInputs = [ traits pyface six ];