diff --git a/pkgs/by-name/jp/jp-zip-codes/package.nix b/pkgs/by-name/jp/jp-zip-codes/package.nix
index a279aea8f7ee..297f49edece1 100644
--- a/pkgs/by-name/jp/jp-zip-codes/package.nix
+++ b/pkgs/by-name/jp/jp-zip-codes/package.nix
@@ -7,15 +7,15 @@
 
 stdenvNoCC.mkDerivation {
   pname = "jp-zip-code";
-  version = "0-unstable-2024-12-01";
+  version = "0-unstable-2025-01-01";
 
   # This package uses a mirror as the source because the
   # original provider uses the same URL for updated content.
   src = fetchFromGitHub {
     owner = "musjj";
     repo = "jp-zip-codes";
-    rev = "94071d5f73bcea043694d1e9a557f6e526b44096";
-    hash = "sha256-RyXJZOwZmtW9vP0lEctE3t1DItBFOop7vdTi0IAH8E8=";
+    rev = "45aa11f1f60515893b0eb8f533f540632b394564";
+    hash = "sha256-qcP1lc5E1RS+n7e3hmZwaHtnf9ErOYprW+/w0r65ZuI=";
   };
 
   installPhase = ''