diff --git a/pkgs/by-name/cl/clang-uml/package.nix b/pkgs/by-name/cl/clang-uml/package.nix
index 8bf5a994fe9e..746c96f003a5 100644
--- a/pkgs/by-name/cl/clang-uml/package.nix
+++ b/pkgs/by-name/cl/clang-uml/package.nix
@@ -17,13 +17,13 @@
 }:
 clangStdenv.mkDerivation (finalAttrs: {
   pname = "clang-uml";
-  version = "0.6.2";
+  version = "0.6.3";
 
   src = fetchFromGitHub {
     owner = "bkryza";
     repo = "clang-uml";
     rev = finalAttrs.version;
-    hash = "sha256-hGjLOyduTc+yOQhO5gDKNfY0fDvbUfvF0FrdjrDheyw=";
+    hash = "sha256-t0z9VcPkdX9qKt/gA24G50+62Teh4eVF4etd4f6HzoQ=";
   };
 
   patches = [