diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9595896248..7f4ed7b5b6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -25,6 +25,7 @@ You can find its changes [documented below](#060---2020-06-01).
 - `Menu` commands can now choose a custom target. ([#1185] by [@finnerale])
 - `Movement::StartOfDocument`, `Movement::EndOfDocument`. ([#1092] by [@sysint64])
 - `TextLayout` type simplifies drawing text ([#1182] by [@cmyr])
+- Implementation of `Data` trait for `i128` and `u128` primitive data types. ([#1214] by [@koutoftimer])
 
 ### Changed
 
@@ -287,6 +288,7 @@ Last release without a changelog :(
 [@sysint64]: https://github.com/sysint64
 [@justinmoon]: https://github.com/justinmoon
 [@rjwittams]: https://github.com/rjwittams
+[@koutoftimer]: https://github.com/koutoftimer
 
 [#599]: https://github.com/linebender/druid/pull/599
 [#611]: https://github.com/linebender/druid/pull/611
@@ -427,6 +429,7 @@ Last release without a changelog :(
 [#1092]: https://github.com/linebender/druid/pull/1092
 [#1204]: https://github.com/linebender/druid/pull/1204
 [#1205]: https://github.com/linebender/druid/pull/1205
+[#1214]: https://github.com/linebender/druid/pull/1214
 
 [Unreleased]: https://github.com/linebender/druid/compare/v0.6.0...master
 [0.6.0]: https://github.com/linebender/druid/compare/v0.5.0...v0.6.0
diff --git a/druid/src/data.rs b/druid/src/data.rs
index ab4fe21cb6..912b39d3d0 100644
--- a/druid/src/data.rs
+++ b/druid/src/data.rs
@@ -143,11 +143,13 @@ impl_data_simple!(i8);
 impl_data_simple!(i16);
 impl_data_simple!(i32);
 impl_data_simple!(i64);
+impl_data_simple!(i128);
 impl_data_simple!(isize);
 impl_data_simple!(u8);
 impl_data_simple!(u16);
 impl_data_simple!(u32);
 impl_data_simple!(u64);
+impl_data_simple!(u128);
 impl_data_simple!(usize);
 impl_data_simple!(char);
 impl_data_simple!(bool);