diff --git a/pkgs/development/python-modules/isbnlib/default.nix b/pkgs/development/python-modules/isbnlib/default.nix
index 50e171feb6a2..6f7e1738e76c 100644
--- a/pkgs/development/python-modules/isbnlib/default.nix
+++ b/pkgs/development/python-modules/isbnlib/default.nix
@@ -7,11 +7,11 @@
 
 buildPythonPackage rec {
   pname = "isbnlib";
-  version = "3.10.10";
+  version = "3.10.12";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "c9e6c1dcaa9dff195429373cf2beb3117f30b3fca43d7db5aec5a2d1f6f59784";
+    sha256 = "sha256-FOZNsZK8PTPJhK0BvGQiPqCr8au3rwHsjE3dCKWGtDM=";
   };
 
   checkInputs = [