diff --git a/pkgs/by-name/su/sudachidict/package.nix b/pkgs/by-name/su/sudachidict/package.nix
index dca17f1093a0..7b453ce35719 100644
--- a/pkgs/by-name/su/sudachidict/package.nix
+++ b/pkgs/by-name/su/sudachidict/package.nix
@@ -7,20 +7,20 @@
 
 let
   pname = "sudachidict";
-  version = "20250515";
+  version = "20251022";
 
   srcs = {
     core = fetchzip {
       url = "https://github.com/WorksApplications/SudachiDict/releases/download/v${version}/sudachi-dictionary-${version}-core.zip";
-      hash = "sha256-+N6B1eW8ScDJSjMWjSNJlQAEOCNh5Q0lcsAWrY9eRVE=";
+      hash = "sha256-kfYGjDO7kO0Gy0YhBceetl2B51iH3myCVt3MCo9nYq0=";
     };
     small = fetchzip {
       url = "https://github.com/WorksApplications/SudachiDict/releases/download/v${version}/sudachi-dictionary-${version}-small.zip";
-      hash = "sha256-+0pg2wXS1Y/5LGnVvEbtEpws2LqFPv88jCHsV+Oxb5E=";
+      hash = "sha256-Y8vX4+G5JB0AmiKP5lGYh/t3NeXSgyGd0Wvv6qFpikE=";
     };
     full = fetchzip {
       url = "https://github.com/WorksApplications/SudachiDict/releases/download/v${version}/sudachi-dictionary-${version}-full.zip";
-      hash = "sha256-jYFZax9LDLX6knGuQDhbhdDU3WGjevVkDFF/XZx2kg0=";
+      hash = "sha256-w/yBWslxIIdniR9c3LN4G4n94VqT73506u/knL9/Pj8=";
     };
   };
 in
diff --git a/pkgs/development/python-modules/sudachidict/default.nix b/pkgs/development/python-modules/sudachidict/default.nix
index 2af6a0787108..e949603b5379 100644
--- a/pkgs/development/python-modules/sudachidict/default.nix
+++ b/pkgs/development/python-modules/sudachidict/default.nix
@@ -15,7 +15,7 @@ buildPythonPackage rec {
     owner = "WorksApplications";
     repo = "SudachiDict";
     tag = "v${version}";
-    hash = "sha256-nunc0obZ+4GvzP1+GgyOommBpK6sCAOXxwq04PWKf8c=";
+    hash = "sha256-twmQWz8MWYBE2QtowiqPrmjudOgFfk7MjjujYG8ykcY=";
   };
 
   sourceRoot = "${src.name}/python";