diff --git a/pkgs/development/libraries/pdfhummus/default.nix b/pkgs/development/libraries/pdfhummus/default.nix
index 61c4d7b134c2..3264469340bb 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 = "4.5.8";
+  version = "4.5.9";
 
   src = fetchFromGitHub {
     owner = "galkahana";
     repo = "PDF-Writer";
     rev = "v${version}";
-    hash = "sha256-aL/icjoP0SQIWXiR0pCrSevkQYDdzPfZGx4xjmPr0AU=";
+    hash = "sha256-2Q49+T1RH0DaQ8u0ypbvFdcPrLoO1G+XpVuYn9/4jRk=";
   };
 
   nativeBuildInputs = [