diff --git a/CHANGELOG.md b/CHANGELOG.md
index ac09cb91..44f8ee5b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -12,6 +12,11 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Add `filter_mention_command` filter to `HandlerExt` trait ([issue #494](https://github.com/teloxide/teloxide/issues/494))
 - Add `filter_business_connection`, `filter_business_message`, `filter_edited_business_message`, and `filter_deleted_business_messages` filters to update filters ([PR 1146](https://github.com/teloxide/teloxide/pull/1146))
 
+- Support for TBA 7.3 ([#1159](pr1159))
+  - Add `filter_chat_background_set` to `MessageFilterExt` trait
+
+[pr1159]: https://github.com/teloxide/teloxide/pull/1159
+
 ### Changed
 
 - Environment bumps: ([#1147][pr1147])
diff --git a/README.md b/README.md
index 35b8bc87..8871c6e0 100644
--- a/README.md
+++ b/README.md
@@ -11,7 +11,7 @@
     <img src="https://img.shields.io/crates/v/teloxide.svg">
   </a>
   <a href="https://core.telegram.org/bots/api">
-    <img src="https://img.shields.io/badge/API%20coverage-Up%20to%207.2%20(inclusively)-green.svg">
+    <img src="https://img.shields.io/badge/API%20coverage-Up%20to%207.3%20(inclusively)-green.svg">
   </a>
   <a href="https://t.me/teloxide">
     <img src="https://img.shields.io/badge/support-t.me%2Fteloxide-blueviolet">
diff --git a/crates/teloxide-core/CHANGELOG.md b/crates/teloxide-core/CHANGELOG.md
index 9a856377..c8c95144 100644
--- a/crates/teloxide-core/CHANGELOG.md
+++ b/crates/teloxide-core/CHANGELOG.md
@@ -44,6 +44,19 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 - `ApiError::BotKickedFromChannel` ([#1157][pr1157])
 
+- Support for TBA 7.3 ([#1159](pr1159))
+  - Add `via_join_request` field to `ChatMemberUpdated` struct
+  - Add `LivePeriod` enum and replace `u32` with it in all `live_period` fields
+  - Add `live_period` parameter to `editMessageLiveLocation` method
+  - Add `question_entities` field to `Poll` struct
+  - Add `text_entities` filed to `PollOption` struct
+  - Add `question_parse_mode` and `question_entities` parameters to `sendPoll` method
+  - Add `InputPollOption` struct
+  - Add `BackgroundFill` and `BackgroundType` enum
+  - Add `ChatBackground` variant to `MessageKind` enum
+  - Add `max_reaction_count` field to `ChatFullInfo` struct
+  - Document that .MP3 and .M4A files can be used as voice messages
+
 [pr1157]: https://github.com/teloxide/teloxide/pull/1157
 
 ### Changed
@@ -65,6 +78,11 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
   - Wrap `Public` variant of `ChatKind` in `Box`
   - Replaced `user_ids` with `users` in `UsersShared` struct
 
+- Support for TBA 7.3 ([#1159](pr1159))
+  - Change `options` parameter type in method `sendPoll` to `InputPollOption`
+  - Move most of the fields and methods from `Chat` to `ChatFullInfo` struct
+  - Return `ChatFullInfo` struct from `getChat` method instead of `Chat`
+
 [pr1131]: https://github.com/teloxide/teloxide/pull/1131
 [pr1134]: https://github.com/teloxide/teloxide/pull/1134
 [pr1146]: https://github.com/teloxide/teloxide/pull/1146
@@ -75,6 +93,14 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 - `Currency` enum removed, its usages replaced with `String`.
 
+- Support for TBA 7.3 ([#1159](pr1159))
+  - Remove some degraded functionality (because of `Chat` to `ChatFullInfo` migration):
+    - `fn mentioned_users` from `chat_member_updated.rs` and `chat_join_request.rs` lost ability to track chat users
+    - `fn mentioned_users` from `Message` lost ability to track chat users (e.g. from pins) and chat users from forward
+    - `fn mentioned_users_rec` was removed from `Chat` and not included in `ChatFullInfo` struct
+
+[pr1159]: https://github.com/teloxide/teloxide/pull/1159
+
 ## 0.10.1 - 2024-08-17
 
 ### Fixed
diff --git a/crates/teloxide-core/README.md b/crates/teloxide-core/README.md
index 201aff8e..65e3b256 100644
--- a/crates/teloxide-core/README.md
+++ b/crates/teloxide-core/README.md
@@ -12,7 +12,7 @@
     <img src="https://img.shields.io/badge/license-MIT-blue.svg">
   </a>
   <a href="https://core.telegram.org/bots/api">
-    <img src="https://img.shields.io/badge/API%20coverage-Up%20to%207.2%20(inclusively)-green.svg">
+    <img src="https://img.shields.io/badge/API%20coverage-Up%20to%207.3%20(inclusively)-green.svg">
   </a>
   <a href="https://crates.io/crates/teloxide_core">
     <img src="https://img.shields.io/crates/v/teloxide_core.svg">
diff --git a/crates/teloxide-core/schema.ron b/crates/teloxide-core/schema.ron
index f7f6812d..1b63ad98 100644
--- a/crates/teloxide-core/schema.ron
+++ b/crates/teloxide-core/schema.ron
@@ -39,7 +39,7 @@
 //! [github]: https://github.com/WaffleLapkin/tg-methods-schema
 
 Schema(
-    api_version: ApiVersion(ver: "7.2", date: "March 31, 2024"),
+    api_version: ApiVersion(ver: "7.3", date: "May 6, 2024"),
     methods: [
         Method(
             names: ("getUpdates", "GetUpdates", "get_updates"),
diff --git a/crates/teloxide-core/src/lib.rs b/crates/teloxide-core/src/lib.rs
index e3eab009..e0a5fe7f 100644
--- a/crates/teloxide-core/src/lib.rs
+++ b/crates/teloxide-core/src/lib.rs
@@ -1,7 +1,7 @@
 //! Core part of the [`teloxide`] library.
 //!
 //! This library provides tools for making requests to the [Telegram Bot API]
-//! (Currently, version `7.2` is supported) with ease. The library is fully
+//! (Currently, version `7.3` is supported) with ease. The library is fully
 //! asynchronous and built using [`tokio`].
 //!
 //!```toml
diff --git a/crates/teloxide/src/lib.rs b/crates/teloxide/src/lib.rs
index bcb901f1..295e7770 100644
--- a/crates/teloxide/src/lib.rs
+++ b/crates/teloxide/src/lib.rs
@@ -1,6 +1,6 @@
 //! A full-featured framework that empowers you to easily build [Telegram bots]
 //! using [Rust]. It handles all the difficult stuff so you can focus only on
-//! your business logic. Currently, version `7.2` of [Telegram Bot API] is
+//! your business logic. Currently, version `7.3` of [Telegram Bot API] is
 //! supported.
 //!
 //! For a high-level overview, see [our GitHub repository](https://github.com/teloxide/teloxide).