diff --git a/build/electronBuilderConfig.ts b/build/electronBuilderConfig.ts
index 83dcc10c2f..d7a9e2bfd9 100644
--- a/build/electronBuilderConfig.ts
+++ b/build/electronBuilderConfig.ts
@@ -161,6 +161,7 @@ const builderOptions: ElectronBuilderConfiguration = {
         arch: [isArm64 ? "arm64" : "x64"],
       },
     ],
+    identity: null, // ad-hoc署名をしない
   },
   dmg: {
     icon: "build/icons/icon-dmg.icns",