diff --git a/pkgs/development/python-modules/traits/default.nix b/pkgs/development/python-modules/traits/default.nix
index d0c8f26f8aae..4e93f1369dd3 100644
--- a/pkgs/development/python-modules/traits/default.nix
+++ b/pkgs/development/python-modules/traits/default.nix
@@ -8,12 +8,12 @@
 
 buildPythonPackage rec {
   pname = "traits";
-  version = "6.3.0";
+  version = "6.3.2";
   disabled = isPy27;
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "770241df047feb9e3ed4c26a36c2468a5b754e6082a78eeb737f058bd45344f5";
+    sha256 = "4520ef4a675181f38be4a5bab1b1d5472691597fe2cfe4faf91023e89407e2c6";
   };
 
   propagatedBuildInputs = [ numpy ];