diff --git a/CHANGELOG.md b/CHANGELOG.md
index 26b410a..3dda90c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,7 +6,7 @@ The format is based on
 and this project adheres to
 [Haskell Package Versioning Policy](https://pvp.haskell.org/).
 
-## [Unreleased]
+## [1.4.0.0] - 2024-10-26
 ### Changed
 - `Schema.Directive` is extended to contain a boolean argument, representing
   repeatable directives. The parser can parse repeatable directive definitions.
@@ -538,7 +538,7 @@ and this project adheres to
 ### Added
 - Data types for the GraphQL language.
 
-[Unreleased]: https://git.caraus.tech/OSS/graphql/compare/v1.3.0.0...master
+[1.4.0.0]: https://git.caraus.tech/OSS/graphql/compare/v1.3.0.0...v1.4.0.0
 [1.3.0.0]: https://git.caraus.tech/OSS/graphql/compare/v1.2.0.3...v1.3.0.0
 [1.2.0.3]: https://git.caraus.tech/OSS/graphql/compare/v1.2.0.2...v1.2.0.3
 [1.2.0.2]: https://git.caraus.tech/OSS/graphql/compare/v1.2.0.1...v1.2.0.2
diff --git a/graphql.cabal b/graphql.cabal
index defcdce..3ee6561 100644
--- a/graphql.cabal
+++ b/graphql.cabal
@@ -1,7 +1,7 @@
 cabal-version: 3.0
 
 name:           graphql
-version:        1.3.0.0
+version:        1.4.0.0
 synopsis:       Haskell GraphQL implementation
 description:    Haskell <https://spec.graphql.org/June2018/ GraphQL> implementation.
 category:       Language