diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,12 @@
 
 ## [Unreleased]
 
+## [1.0.3] - 2022-06-26
+
+### Changed
+- Upgrade to latest http-api-data (#10)
+- Nix flake based development environment
+
 ## [1.0.2] - 2022-06-11
 
 ### Changed
@@ -18,7 +24,8 @@
 - Extracted webgear-core from webgear-server
 - New arrow based API
 
-[Unreleased]: https://github.com/haskell-webgear/webgear/compare/v1.0.2...HEAD
+[Unreleased]: https://github.com/haskell-webgear/webgear/compare/v1.0.3...HEAD
+[1.0.3]: https://github.com/haskell-webgear/webgear/releases/tag/v1.0.3
 [1.0.2]: https://github.com/haskell-webgear/webgear/releases/tag/v1.0.2
 [1.0.1]: https://github.com/haskell-webgear/webgear/releases/tag/v1.0.1
 [1.0.0]: https://github.com/haskell-webgear/webgear/releases/tag/v1.0.0
diff --git a/webgear-core.cabal b/webgear-core.cabal
--- a/webgear-core.cabal
+++ b/webgear-core.cabal
@@ -1,7 +1,7 @@
 cabal-version:       2.4
 
 name:                webgear-core
-version:             1.0.2
+version:             1.0.3
 synopsis:            Composable, type-safe library to build HTTP APIs
 description:
         WebGear is a library to for building composable, type-safe HTTP APIs.
@@ -57,7 +57,7 @@
                     , bytestring >=0.10.10.1 && <0.12
                     , case-insensitive ==1.2.*
                     , filepath ==1.4.*
-                    , http-api-data ==0.4.*
+                    , http-api-data >=0.4.2 && <0.6
                     , http-media ==0.8.*
                     , http-types ==0.12.*
                     , network ==3.1.*