diff --git a/Apps.js b/Apps.js
index 8d7c8b6..8f1a292 100644
--- a/Apps.js
+++ b/Apps.js
@@ -26,7 +26,7 @@ export function AppContainer() {
     },
   });
       const [fontLoaded, error] = useFonts({
-        "JR-Nishi": require("./assets/fonts/西日本方向幕ロゴ.otf"),
+        "JR-Nishi": require("./assets/fonts/jr-nishi.otf"),
         "Zou": require("./assets/fonts/DelaGothicOne-Regular.ttf"),
       });
   return (
diff --git a/app.json b/app.json
index 8ce15ed..fc58c9a 100644
--- a/app.json
+++ b/app.json
@@ -50,7 +50,7 @@
     },
     "assetBundlePatterns": ["**/*"],
     "ios": {
-      "buildNumber": "38",
+      "buildNumber": "39",
       "supportsTablet": false,
       "bundleIdentifier": "jrshikokuinfo.xprocess.hrkn",
       "config": {
diff --git a/assets/fonts/西日本方向幕ロゴ.otf b/assets/fonts/jr-nishi.otf
similarity index 100%
rename from assets/fonts/西日本方向幕ロゴ.otf
rename to assets/fonts/jr-nishi.otf