diff --git a/crates/teloxide-core/CHANGELOG.md b/crates/teloxide-core/CHANGELOG.md
index 98ddb797..12b7192e 100644
--- a/crates/teloxide-core/CHANGELOG.md
+++ b/crates/teloxide-core/CHANGELOG.md
@@ -56,6 +56,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - `Dice::value` now use `u8`, instead of `i32` ([#887][pr887])
 - `Invoice::total_amount`, `LabeledPrice::amount`, `PreCheckoutQuery::total_amount`, `SuccessfulPayment::total_amout` now use `u32`, instead of `i32` ([#887][pr887])
 - `Forward::message_id` and `Message::forward_from_message_id` now use `MessageId` instead of `i32` ([#887][pr887])
+- `Poll::total_voter_count` and `PollOption::voter_count` now use `u32` instead of `i32` ([#887][pr887])
+- `PollAnswer::option_ids` now use `u8` instead of `i32` ([#887][pr887])
 
 [pr852]: https://github.com/teloxide/teloxide/pull/853
 [pr859]: https://github.com/teloxide/teloxide/pull/859
diff --git a/crates/teloxide-core/src/types/poll.rs b/crates/teloxide-core/src/types/poll.rs
index e2022647..734b99a2 100644
--- a/crates/teloxide-core/src/types/poll.rs
+++ b/crates/teloxide-core/src/types/poll.rs
@@ -22,7 +22,7 @@ pub struct Poll {
     pub is_closed: bool,
 
     /// Total number of users that voted in the poll
-    pub total_voter_count: i32,
+    pub total_voter_count: u32,
 
     /// True, if the poll is anonymous
     pub is_anonymous: bool,
@@ -64,7 +64,7 @@ pub struct PollOption {
     pub text: String,
 
     /// Number of users that voted for this option.
-    pub voter_count: i32,
+    pub voter_count: u32,
 }
 
 impl Poll {
diff --git a/crates/teloxide-core/src/types/poll_answer.rs b/crates/teloxide-core/src/types/poll_answer.rs
index b8f26968..cf17f307 100644
--- a/crates/teloxide-core/src/types/poll_answer.rs
+++ b/crates/teloxide-core/src/types/poll_answer.rs
@@ -12,5 +12,5 @@ pub struct PollAnswer {
     /// 0-based identifiers of answer options, chosen by the user.
     ///
     /// May be empty if the user retracted their vote.
-    pub option_ids: Vec<i32>,
+    pub option_ids: Vec<u8>,
 }