diff --git a/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/Common.kt b/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/Common.kt
index 02cdbf293c..4ca6a283b2 100644
--- a/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/Common.kt
+++ b/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/Common.kt
@@ -464,6 +464,7 @@ const val userField = "user"
 const val dateField = "date"
 const val reactionsField = "reactions"
 const val reactionField = "reaction"
+const val availableReactionsField = "available_reactions"
 const val isBigField = "is_big"
 const val oldReactionField = "old_reaction"
 const val newReactionField = "new_reaction"
diff --git a/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/chat/Extended.kt b/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/chat/Extended.kt
index 91d502f931..017e3be087 100644
--- a/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/chat/Extended.kt
+++ b/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/chat/Extended.kt
@@ -3,6 +3,7 @@ package dev.inmo.tgbotapi.types.chat
 import dev.inmo.tgbotapi.types.*
 import dev.inmo.tgbotapi.types.message.abstracts.Message
 import dev.inmo.tgbotapi.types.message.abstracts.TelegramBotAPIMessageDeserializeOnlySerializer
+import dev.inmo.tgbotapi.types.reactions.Reaction
 import dev.inmo.tgbotapi.utils.RiskFeature
 import korlibs.time.DateTime
 import kotlinx.serialization.SerialName
@@ -32,7 +33,9 @@ data class ExtendedChannelChatImpl(
     @SerialName(linkedChatIdField)
     override val linkedGroupChatId: IdChatIdentifier? = null,
     @SerialName(hasHiddenMembersField)
-    override val membersHidden: Boolean = false
+    override val membersHidden: Boolean = false,
+    @SerialName(availableReactionsField)
+    override val availableReactions: List<Reaction>? = null
 ) : ExtendedChannelChat
 
 @Serializable
@@ -54,7 +57,9 @@ data class ExtendedGroupChatImpl(
     @Serializable(TelegramBotAPIMessageDeserializeOnlySerializer::class)
     override val pinnedMessage: Message? = null,
     @SerialName(hasHiddenMembersField)
-    override val membersHidden: Boolean = false
+    override val membersHidden: Boolean = false,
+    @SerialName(availableReactionsField)
+    override val availableReactions: List<Reaction>? = null
 ) : ExtendedGroupChat
 
 @Serializable
@@ -125,7 +130,9 @@ data class ExtendedSupergroupChatImpl(
     @SerialName(hasAggressiveAntiSpamEnabledField)
     override val isAggressiveAntiSpamEnabled: Boolean = false,
     @SerialName(hasHiddenMembersField)
-    override val membersHidden: Boolean = false
+    override val membersHidden: Boolean = false,
+    @SerialName(availableReactionsField)
+    override val availableReactions: List<Reaction>? = null
 ) : ExtendedSupergroupChat
 
 @Serializable
@@ -167,7 +174,9 @@ data class ExtendedForumChatImpl(
     @SerialName(hasAggressiveAntiSpamEnabledField)
     override val isAggressiveAntiSpamEnabled: Boolean = false,
     @SerialName(hasHiddenMembersField)
-    override val membersHidden: Boolean = false
+    override val membersHidden: Boolean = false,
+    @SerialName(availableReactionsField)
+    override val availableReactions: List<Reaction>? = null
 ) : ExtendedForumChat
 
 @Serializable
diff --git a/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/chat/ExtendedAbstracts.kt b/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/chat/ExtendedAbstracts.kt
index 09ac9d6f4f..36092957be 100644
--- a/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/chat/ExtendedAbstracts.kt
+++ b/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/chat/ExtendedAbstracts.kt
@@ -3,6 +3,7 @@ package dev.inmo.tgbotapi.types.chat
 import dev.inmo.tgbotapi.types.*
 import dev.inmo.tgbotapi.types.message.abstracts.Message
 import dev.inmo.tgbotapi.types.message.abstracts.TelegramBotAPIMessageDeserializeOnlySerializer
+import dev.inmo.tgbotapi.types.reactions.Reaction
 import korlibs.time.DateTime
 import kotlinx.serialization.Serializable
 
@@ -34,6 +35,7 @@ sealed interface ExtendedPublicChat : ExtendedChat, PublicChat {
     @Serializable(TelegramBotAPIMessageDeserializeOnlySerializer::class)
     val pinnedMessage: Message?
     val membersHidden: Boolean
+    val availableReactions: List<Reaction>?
 }
 
 @Serializable(ExtendedChatSerializer.Companion::class)