diff --git a/pkgs/by-name/ja/jawiki-all-titles-in-ns0/package.nix b/pkgs/by-name/ja/jawiki-all-titles-in-ns0/package.nix
index b8b1f4ab1759..69ffad4c85e7 100644
--- a/pkgs/by-name/ja/jawiki-all-titles-in-ns0/package.nix
+++ b/pkgs/by-name/ja/jawiki-all-titles-in-ns0/package.nix
@@ -7,13 +7,13 @@
 
 stdenvNoCC.mkDerivation {
   pname = "jawiki-all-titles-in-ns0";
-  version = "0-unstable-2025-11-01";
+  version = "0-unstable-2025-12-01";
 
   src = fetchFromGitHub {
     owner = "musjj";
     repo = "jawiki-archive";
-    rev = "417baa847977539d641dfb83c9960c2b6b10c1d7";
-    hash = "sha256-uBregjxM/LDkAyYMLiXLVGSa83DStFxz352pFORqVdY=";
+    rev = "4ef9c544eef62ad882f66594ffec625073212735";
+    hash = "sha256-Sw4yR8KIQnYdc7anh544QX3s5+5Pk1LlXjcvUICe378=";
   };
 
   installPhase = ''