diff --git a/Project.toml b/Project.toml
index b8a10506a2..7ac2d9ad9a 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,6 +1,6 @@
 name = "MathOptInterface"
 uuid = "b8f27783-ece8-5eb3-8dc8-9495eed66fee"
-version = "1.41.0"
+version = "1.42.0"
 
 [deps]
 BenchmarkTools = "6e4b80f9-dd63-53aa-95a3-0cdb28fa8baf"
diff --git a/docs/src/changelog.md b/docs/src/changelog.md
index b6c76c7c70..f3fa1a828d 100644
--- a/docs/src/changelog.md
+++ b/docs/src/changelog.md
@@ -7,6 +7,21 @@ CurrentModule = MathOptInterface
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## v1.42.0 (July 10, 2025)
+
+### Added
+
+ - Added an option to disable warnings in [`Utilities.PenaltyRelaxation`](@ref)
+   (#2774)
+
+### Fixed
+
+ - Fixed a bug writing objective constant in `MAX_SENSE` with `FileFormats.MPS`
+   (#2778)
+ - Fixed a change in how `==(::Expr, ::Expr)` works on for Julia nightly (#2780)
+ - Fixed a performance bug in the Hessian computation of `Nonlinear.ReverseAD`
+   (#2783)
+
 ## v1.41.0 (June 9, 2025)
 
 ### Added