diff --git a/modules/applications/fcitx5/nixos.nix b/modules/applications/fcitx5/nixos.nix
index 278d4af..0e1905e 100644
--- a/modules/applications/fcitx5/nixos.nix
+++ b/modules/applications/fcitx5/nixos.nix
@@ -1,4 +1,43 @@
 { pkgs, ... }:
+let
+  # CC-BY-SA 3.0: https://github.com/jiro-aqua/aquamozc-dictionary
+  kanaengDictionary =
+    pkgs.runCommandNoCC "mozcdic-ut-kanaeng"
+      {
+        nativeBuildInputs = with pkgs; [
+          gawk
+          gnutar
+          bzip2
+        ];
+      }
+      ''
+        mkdir -p "$out"
+
+        awk -F '\t' 'NF == 3 { print $1 "\t0000\t0000\t8000\t" $2; }' \
+          ${
+            pkgs.fetchurl {
+              url = "https://raw.githubusercontent.com/jiro-aqua/aquamozc-dictionary/ae7fae40b18f1500d97e3e4531fdff22abdc6a39/edict-katakana-english/kanaeng.mozc.txt";
+              hash = "sha256-rw8AlE2YAc3d4B6qQ6+LYchDiGwm6TesIfOozzZBGXo=";
+            }
+          } > mozcdic-ut-kanaeng.txt
+
+        tar -cjf "$out/mozcdic-ut-kanaeng.txt.tar.bz2" mozcdic-ut-kanaeng.txt
+      '';
+
+  mozcWithKanaeng = pkgs.mozc.override {
+    dictionaries = with pkgs; [
+      mozcdic-ut-alt-cannadic
+      mozcdic-ut-edict2
+      mozcdic-ut-jawiki
+      mozcdic-ut-neologd
+      mozcdic-ut-personal-names
+      mozcdic-ut-place-names
+      mozcdic-ut-skk-jisyo
+      mozcdic-ut-sudachidict
+      kanaengDictionary
+    ];
+  };
+in
 {
   i18n.inputMethod = {
     enable = true;
@@ -7,7 +46,7 @@
     fcitx5 = {
       waylandFrontend = true;
       addons = with pkgs; [
-        fcitx5-mozc-ut
+        (fcitx5-mozc.override { mozc = mozcWithKanaeng; })
         fcitx5-gtk
         kdePackages.fcitx5-qt
         qt6Packages.fcitx5-configtool