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 c7c1f93d799c..339428889c1d 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-2026-03-01";
+  version = "0-unstable-2026-04-01";
 
   src = fetchFromGitHub {
     owner = "musjj";
     repo = "jawiki-archive";
-    rev = "f653315af9ae4f25ea5020f4fc6a8b5f311cbbf5";
-    hash = "sha256-aLmGHTOkRCHr+vwQYLYm3qKCONUBpdMsZadTNmHwOGA=";
+    rev = "d8dff4562d79e33fbd1292cb4f5a857402735d21";
+    hash = "sha256-/0D0+txyR6wTJjW9xLevKUReM8y1bhUAJSdgkLMVjYI=";
   };
 
   installPhase = ''