diff --git a/app/src/main/java/com/jocmp/capyreader/common/MD5.kt b/app/src/main/java/com/jocmp/capyreader/common/MD5.kt
new file mode 100644
index 00000000..d2fff041
--- /dev/null
+++ b/app/src/main/java/com/jocmp/capyreader/common/MD5.kt
@@ -0,0 +1,12 @@
+package com.jocmp.capyreader.common
+
+import java.security.MessageDigest
+
+@OptIn(ExperimentalStdlibApi::class)
+object MD5 {
+    fun from(value: String): String {
+        val md = MessageDigest.getInstance("MD5")
+        val digest = md.digest(value.toByteArray())
+        return digest.toHexString()
+    }
+}
diff --git a/app/src/main/java/com/jocmp/capyreader/sync/ReadSyncWorker.kt b/app/src/main/java/com/jocmp/capyreader/sync/ReadSyncWorker.kt
index 3014a24b..805d0ffd 100644
--- a/app/src/main/java/com/jocmp/capyreader/sync/ReadSyncWorker.kt
+++ b/app/src/main/java/com/jocmp/capyreader/sync/ReadSyncWorker.kt
@@ -16,13 +16,18 @@ class ReadSyncWorker(
     private val account by inject<Account>()
 
     override suspend fun doWork(): Result {
-        val articleID = inputData.getString(ARTICLE_KEY) ?: return Result.failure()
+        val articleIDs = inputData
+            .getStringArray(ARTICLES_KEY)?.toList() ?: return Result.failure()
         val markRead = inputData.getBoolean(MARK_READ_KEY, false)
 
+        if (articleIDs.isEmpty()) {
+            return Result.failure()
+        }
+
         val result = if (markRead) {
-            account.markRead(articleID)
+            account.markAllRead(articleIDs)
         } else {
-            account.markUnread(articleID)
+            account.markUnread(articleIDs.first())
         }
 
         return result
@@ -39,7 +44,7 @@ class ReadSyncWorker(
     }
 
     companion object {
-        const val ARTICLE_KEY = "article_id"
+        const val ARTICLES_KEY = "articles_key"
         const val MARK_READ_KEY = "mark_read"
     }
 }
diff --git a/app/src/main/java/com/jocmp/capyreader/sync/Sync.kt b/app/src/main/java/com/jocmp/capyreader/sync/Sync.kt
index 5cad8f45..fd1c35a3 100644
--- a/app/src/main/java/com/jocmp/capyreader/sync/Sync.kt
+++ b/app/src/main/java/com/jocmp/capyreader/sync/Sync.kt
@@ -7,6 +7,7 @@ import androidx.work.ExistingWorkPolicy
 import androidx.work.NetworkType
 import androidx.work.OneTimeWorkRequestBuilder
 import androidx.work.WorkManager
+import com.jocmp.capyreader.common.MD5
 
 fun addStarAsync(articleID: String, context: Context) {
     val data = Data
@@ -28,27 +29,29 @@ fun removeStarAsync(articleID: String, context: Context) {
     queueStarWorker(articleID, data, context)
 }
 
-fun markReadAsync(articleID: String, context: Context) {
+fun markReadAsync(articleIDs: List<String>, context: Context) {
     val data = Data
         .Builder()
-        .putString(ReadSyncWorker.ARTICLE_KEY, articleID)
+        .putStringArray(ReadSyncWorker.ARTICLES_KEY, articleIDs.toTypedArray())
         .putBoolean(ReadSyncWorker.MARK_READ_KEY, true)
         .build()
 
-    queueReadWorker(articleID, data, context)
+    queueReadWorker(articleIDs, data, context)
 }
 
 fun markUnreadAsync(articleID: String, context: Context) {
+    val articleIDs = listOf(articleID)
+
     val data = Data
         .Builder()
-        .putString(ReadSyncWorker.ARTICLE_KEY, articleID)
+        .putStringArray(ReadSyncWorker.ARTICLES_KEY, articleIDs.toTypedArray())
         .putBoolean(ReadSyncWorker.MARK_READ_KEY, false)
         .build()
 
-    queueReadWorker(articleID, data, context)
+    queueReadWorker(articleIDs, data, context)
 }
 
-private fun queueReadWorker(articleID: String, data: Data, context: Context) {
+private fun queueReadWorker(articleIDs: List<String>, data: Data, context: Context) {
     val workManager = WorkManager.getInstance(context)
 
     val request = OneTimeWorkRequestBuilder<ReadSyncWorker>()
@@ -56,8 +59,10 @@ private fun queueReadWorker(articleID: String, data: Data, context: Context) {
         .setInputData(data)
         .build()
 
+    val key = MD5.from(articleIDs.joinToString(","))
+
     workManager.enqueueUniqueWork(
-        "article_read:${articleID}",
+        "article_read:$key",
         ExistingWorkPolicy.REPLACE,
         request
     )
diff --git a/app/src/main/java/com/jocmp/capyreader/ui/articles/ArticleScreenViewModel.kt b/app/src/main/java/com/jocmp/capyreader/ui/articles/ArticleScreenViewModel.kt
index 978fafb6..e2fe4439 100644
--- a/app/src/main/java/com/jocmp/capyreader/ui/articles/ArticleScreenViewModel.kt
+++ b/app/src/main/java/com/jocmp/capyreader/ui/articles/ArticleScreenViewModel.kt
@@ -108,7 +108,9 @@ class ArticleScreenViewModel(
 
     fun markAllRead(range: MarkRead) {
         viewModelScope.launch(Dispatchers.IO) {
-            account.markAllRead(filter = filter.value, range = range)
+            val articleIDs = account.unreadArticleIDs(filter = filter.value, range = range)
+
+            markReadAsync(articleIDs, context)
         }
     }
 
@@ -203,7 +205,7 @@ class ArticleScreenViewModel(
     private suspend fun markRead(articleID: String) {
         account.markRead(articleID)
             .onFailure {
-                markReadAsync(articleID, context)
+                markReadAsync(listOf(articleID), context)
             }
     }
 
diff --git a/capy/src/main/java/com/jocmp/capy/Account.kt b/capy/src/main/java/com/jocmp/capy/Account.kt
index 2f67675e..02832932 100644
--- a/capy/src/main/java/com/jocmp/capy/Account.kt
+++ b/capy/src/main/java/com/jocmp/capy/Account.kt
@@ -100,12 +100,14 @@ data class Account(
         return delegate.removeStar(listOf(articleID))
     }
 
-    suspend fun markAllRead(filter: ArticleFilter, range: MarkRead): Result<Unit> {
-        val articleIDs = articleRecords.unreadArticleIDs(
+    fun unreadArticleIDs(filter: ArticleFilter, range: MarkRead): List<String> {
+        return articleRecords.unreadArticleIDs(
             filter = filter,
             range = range
         )
+    }
 
+    suspend fun markAllRead(articleIDs: List<String>): Result<Unit> {
         articleRecords.markAllRead(articleIDs)
 
         return delegate.markRead(articleIDs)