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 606b7bfe4e5b..ade7dae5be4b 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-2026-01-01";
+  version = "0-unstable-2026-02-01";
 
   src = fetchFromGitHub {
     owner = "musjj";
     repo = "jawiki-archive";
-    rev = "0e0aeca3c6980fabe2b8d2eec934517bfcc1acc7";
-    hash = "sha256-9FQjQ/0ee/dBKGsh/DYizkZZSy1/MwkVJ3ZqLK53x9g=";
+    rev = "ae3c1d0dcba155bdc984f057061f2f8008fb6e38";
+    hash = "sha256-H2TjUbZApQT12G/Rec+Y8eqRyJNMO5Tv4xTSmGSn6gE=";
   };
 
   installPhase = ''