diff --git a/app/release/output.json b/app/release/output.json
index 28776d99..6014db92 100644
--- a/app/release/output.json
+++ b/app/release/output.json
@@ -1 +1 @@
-[{"outputType":{"type":"APK"},"apkData":{"type":"MAIN","splits":[],"versionCode":30,"versionName":"4.1","enabled":true,"outputFile":"app-release.apk","fullName":"release","baseName":"release"},"path":"app-release.apk","properties":{}}]
\ No newline at end of file
+[{"outputType":{"type":"APK"},"apkData":{"type":"MAIN","splits":[],"versionCode":31,"versionName":"4.2-beta1","enabled":true,"outputFile":"app-release.apk","fullName":"release","baseName":"release"},"path":"app-release.apk","properties":{}}]
\ No newline at end of file
diff --git a/app/src/main/java/xyz/quaver/pupil/util/update.kt b/app/src/main/java/xyz/quaver/pupil/util/update.kt
index 0a2d76d0..150e958c 100644
--- a/app/src/main/java/xyz/quaver/pupil/util/update.kt
+++ b/app/src/main/java/xyz/quaver/pupil/util/update.kt
@@ -98,7 +98,10 @@ fun updateOldReaderGalleries(context: Context) {
     val json = Json(JsonConfiguration.Stable)
 
    getOldReaderGalleries(context).forEach { gallery ->
-       val reader = json.parseJson(File(gallery, "reader.json").readText())
+       val reader = json.parseJson(File(gallery, "reader.json").apply {
+           if (!exists())
+               return@forEach
+       }.readText())
            .jsonObject.toMutableMap()
 
        val codeSerializer = EnumSerializer(Reader.Code::class)