diff --git a/pkgs/development/python-modules/notobuilder/default.nix b/pkgs/development/python-modules/notobuilder/default.nix
index 756ce9c53317..c3bb1fce5b5f 100644
--- a/pkgs/development/python-modules/notobuilder/default.nix
+++ b/pkgs/development/python-modules/notobuilder/default.nix
@@ -21,14 +21,14 @@
 
 buildPythonPackage {
   pname = "notobuilder";
-  version = "0-unstable-2025-05-20";
+  version = "0-unstable-2025-08-20";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "notofonts";
     repo = "notobuilder";
-    rev = "ff46ffb2e19ff8e8c36a4e3e0db334bb249896cb";
-    hash = "sha256-K4F+Et50QVXOOk00u/8ZXKj/TWoC6ndCeAF9jaMD7jI=";
+    rev = "fb0d6067beee888e6132b50c227da1f051b1ef9f";
+    hash = "sha256-U9NVpXzdzBpgs8LFQJk70vs2dfHg+kD+YzuYZt6zQ5g=";
   };
 
   postPatch = ''