diff --git a/pkgs/development/tools/castxml/default.nix b/pkgs/development/tools/castxml/default.nix
index 17be341f4499..eda8066f0eb6 100644
--- a/pkgs/development/tools/castxml/default.nix
+++ b/pkgs/development/tools/castxml/default.nix
@@ -14,13 +14,13 @@
 
 stdenv.mkDerivation rec {
   pname = "CastXML";
-  version = "0.4.4";
+  version = "0.4.6";
 
   src = fetchFromGitHub {
     owner = pname;
     repo = pname;
     rev = "v${version}";
-    hash = "sha256-VtkMjZOcF5OAHkezlupXOpNwqUD1oKHdRbtG2FZBRL4=";
+    hash = "sha256-EXi5dPhzxqHLNH1Ty8iz81uJxRX1+pFtwWSwbXeolL0=";
   };
 
   nativeBuildInputs = [