diff --git a/app/src/main/kotlin/org/koitharu/kotatsu/core/github/AppUpdateRepository.kt b/app/src/main/kotlin/org/koitharu/kotatsu/core/github/AppUpdateRepository.kt
index 4fb9d0c84..5d85d162b 100644
--- a/app/src/main/kotlin/org/koitharu/kotatsu/core/github/AppUpdateRepository.kt
+++ b/app/src/main/kotlin/org/koitharu/kotatsu/core/github/AppUpdateRepository.kt
@@ -21,6 +21,7 @@ import org.koitharu.kotatsu.parsers.util.await
 import org.koitharu.kotatsu.parsers.util.json.mapJSONNotNull
 import org.koitharu.kotatsu.parsers.util.parseJsonArray
 import org.koitharu.kotatsu.parsers.util.runCatchingCancellable
+import org.koitharu.kotatsu.parsers.util.suspendlazy.getOrNull
 import javax.inject.Inject
 import javax.inject.Singleton
 
@@ -85,8 +86,8 @@ class AppUpdateRepository @Inject constructor(
 	}
 
 	@Suppress("KotlinConstantConditions")
-	fun isUpdateSupported(): Boolean {
-		return BuildConfig.BUILD_TYPE != BUILD_TYPE_RELEASE || appValidator.isOriginalApp
+	suspend fun isUpdateSupported(): Boolean {
+		return BuildConfig.BUILD_TYPE != BUILD_TYPE_RELEASE || appValidator.isOriginalApp.getOrNull() == true
 	}
 
 	suspend fun getCurrentVersionChangelog(): String? {
diff --git a/app/src/main/kotlin/org/koitharu/kotatsu/favourites/domain/model/Cover.kt b/app/src/main/kotlin/org/koitharu/kotatsu/favourites/domain/model/Cover.kt
index 32c0d4c0f..d5521d410 100644
--- a/app/src/main/kotlin/org/koitharu/kotatsu/favourites/domain/model/Cover.kt
+++ b/app/src/main/kotlin/org/koitharu/kotatsu/favourites/domain/model/Cover.kt
@@ -3,7 +3,7 @@ package org.koitharu.kotatsu.favourites.domain.model
 import org.koitharu.kotatsu.core.model.MangaSource
 
 data class Cover(
-	val url: String,
+	val url: String?,
 	val source: String,
 ) {
 	val mangaSource by lazy { MangaSource(source) }
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index c301d2ec8..5c1f51b91 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -31,7 +31,7 @@ material = "1.13.0-alpha09"
 moshi = "1.15.2"
 okhttp = "4.12.0"
 okio = "3.10.2"
-parsers = "6abcdd8d4b"
+parsers = "8481fadbd0"
 preference = "1.2.1"
 recyclerview = "1.4.0"
 room = "2.6.1"