diff --git a/app.json b/app.json
index ab11e5e..53d4b08 100644
--- a/app.json
+++ b/app.json
@@ -2,7 +2,7 @@
   "expo": {
     "name": "KlaTab",
     "slug": "klatab",
-    "version": "1.4.1",
+    "version": "1.4.2",
     "orientation": "portrait",
     "icon": "./assets/icon.png",
     "userInterfaceStyle": "automatic",
@@ -15,12 +15,12 @@
       "**/*"
     ],
     "ios": {
-      "buildNumber": "29",
+      "buildNumber": "30",
       "supportsTablet": true,
       "bundleIdentifier": "de.edvschule-plattling.klatab.klatab"
     },
     "android": {
-      "versionCode": 29,
+      "versionCode": 30,
       "adaptiveIcon": {
         "foregroundImage": "./assets/adaptive-icon.png",
         "backgroundColor": "#ffffff"