diff --git a/pkgs/by-name/mo/mozc/package.nix b/pkgs/by-name/mo/mozc/package.nix
index 16e88d44278f..f5773a640f0c 100644
--- a/pkgs/by-name/mo/mozc/package.nix
+++ b/pkgs/by-name/mo/mozc/package.nix
@@ -5,7 +5,7 @@
   qt6,
   pkg-config,
   protobuf_27,
-  bazel,
+  bazel_7,
   ibus,
   unzip,
   xdg-utils,
@@ -43,14 +43,18 @@ buildBazelPackage rec {
   dontAddBazelOpts = true;
   removeRulesCC = false;
 
-  inherit bazel;
+  bazel = bazel_7;
 
   fetchAttrs = {
-    sha256 = "sha256-+N7AhSemcfhq6j0IUeWZ0DyVvr1l5FbAkB+kahTy3pM=";
+    hash = "sha256-c+v2vWvTmwJ7MFh3VJlUh+iSINjsX66W9K0UBX5K/1s=";
 
-    # remove references of buildInputs and zip code files
     preInstall = ''
-      rm -rv $bazelOut/external/{ibus,qt_linux,zip_code_*}
+      # Remove zip code data. It will be replaced with jp-zip-codes from nixpkgs
+      rm -rv "$bazelOut"/external/zip_code_{jigyosyo,ken_all}
+      # Remove references to buildInputs
+      rm -rv "$bazelOut"/external/{ibus,qt_linux}
+      # Remove reference to the host platform
+      rm -rv "$bazelOut"/external/host_platform
     '';
   };