diff --git a/pkgs/development/libraries/pdfhummus/default.nix b/pkgs/development/libraries/pdfhummus/default.nix
index bc587d83f158..bfba4ad09620 100644
--- a/pkgs/development/libraries/pdfhummus/default.nix
+++ b/pkgs/development/libraries/pdfhummus/default.nix
@@ -12,13 +12,13 @@
 
 stdenv.mkDerivation rec {
   pname = "pdfhummus";
-  version = "4.6.2";
+  version = "4.6.3";
 
   src = fetchFromGitHub {
     owner = "galkahana";
     repo = "PDF-Writer";
     rev = "v${version}";
-    hash = "sha256-PXiLP0lgqBdDbHHfvRT/d0M1jGjMVZZ3VDYnByzkKeI=";
+    hash = "sha256-6Hp5hacMpVdsiUvMSXBQ5432tPrkHSOiVoWa91sv38k=";
   };
 
   nativeBuildInputs = [