diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,7 +5,15 @@
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
 and this project adheres to the [PVP](https://pvp.haskell.org/).
 
-## [Unreleased]
+## [0.1.1.0] - 2026-06-29
+
+### Added
+
+- `DBConfig` derives `FromJSON` (via `QuietSnake`, mapping fields to
+  `quiet_snake_case` keys), so connection settings can be decoded directly
+  from configuration files.
+
+## [0.1.0.0] - 2026-06-04
 
 ### Added
 
diff --git a/atelier-db.cabal b/atelier-db.cabal
--- a/atelier-db.cabal
+++ b/atelier-db.cabal
@@ -1,11 +1,11 @@
 cabal-version: 2.0
 
--- This file has been generated from package.yaml by hpack version 0.38.2.
+-- This file has been generated from package.yaml by hpack version 0.38.3.
 --
 -- see: https://github.com/sol/hpack
 
 name:           atelier-db
-version:        0.1.0.0
+version:        0.1.1.0
 synopsis:       Relational database effect for atelier (Hasql/Rel8)
 description:    Relational database access via Hasql and Rel8, exposed as an Effectful effect — part of the atelier toolkit.
 category:       Database
@@ -16,6 +16,11 @@
 license:        MIT
 license-file:   LICENSE
 build-type:     Simple
+tested-with:
+    GHC == 9.10.3
+  , GHC == 9.6.7
+  , GHC == 9.8.4
+  , GHC == 9.12.4
 extra-doc-files:
     CHANGELOG.md
     README.md
@@ -52,25 +57,27 @@
       StrictData
       TemplateHaskell
       TypeFamilies
-  ghc-options: -Weverything -Wno-unsafe -Wno-missing-safe-haskell-mode -Wno-monomorphism-restriction -Wno-missing-kind-signatures -Wno-missing-poly-kind-signatures -Wno-missing-role-annotations -Wno-missing-local-signatures -Wno-missing-import-lists -Wno-implicit-prelude -Wno-unticked-promoted-constructors -Wno-unused-packages -Wno-all-missed-specialisations -Wno-missed-specialisations -fplugin=Effectful.Plugin -threaded
+  ghc-options: -Weverything -Wno-unsafe -Wno-missing-safe-haskell-mode -Wno-monomorphism-restriction -Wno-missing-kind-signatures -Wno-missing-local-signatures -Wno-missing-import-lists -Wno-implicit-prelude -Wno-unticked-promoted-constructors -Wno-unused-packages -Wno-all-missed-specialisations -Wno-missed-specialisations -fplugin=Effectful.Plugin -threaded
   build-depends:
       aeson ==2.2.*
-    , atelier-core ==0.1.*
+    , atelier-core ==0.2.*
     , atelier-prelude ==0.1.*
-    , base ==4.20.*
-    , bytestring ==0.12.*
-    , containers ==0.7.*
+    , base >=4.18 && <4.23
+    , bytestring >=0.11 && <0.13
+    , containers >=0.6 && <0.9
     , data-default ==0.8.*
     , effectful ==2.6.*
     , effectful-core ==2.6.*
-    , effectful-plugin ==2.0.*
+    , effectful-plugin >=2.0 && <2.2
     , effectful-th ==1.0.*
-    , hasql ==1.9.*
+    , hasql >=1.9 && <1.11
     , hasql-pool ==1.3.*
     , hasql-transaction ==1.2.*
     , rel8 ==1.7.*
     , text ==2.1.*
-    , time ==1.12.*
+    , time >=1.12 && <1.16
   mixins:
       base hiding (Prelude)
   default-language: GHC2021
+  if impl(GHC >= 9.8)
+    ghc-options: -Wno-missing-poly-kind-signatures -Wno-missing-role-annotations
diff --git a/src/Atelier/Effects/DB/Config.hs b/src/Atelier/Effects/DB/Config.hs
--- a/src/Atelier/Effects/DB/Config.hs
+++ b/src/Atelier/Effects/DB/Config.hs
@@ -52,7 +52,8 @@
     , pool :: PoolConfig
     -- ^ Connection pool settings.
     }
-    deriving stock (Eq, Show)
+    deriving stock (Eq, Generic, Show)
+    deriving (FromJSON) via QuietSnake DBConfig
 
 
 -- | Separate connection pools for read and write operations.