diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,14 @@
 
 ## [Unreleased]
 
+## [0.2.0.0] - 2026-08-13
+
+### Changed
+
+- Relax `base` constraint to support GHC 9.6 up to GHC 9.12.
+
+## [0.1.0.0] - 2026-06-04
+
 ### Added
 
 - Initial release: database-backed test utilities (tmp-postgres) for the
diff --git a/README.md b/README.md
--- a/README.md
+++ b/README.md
@@ -4,7 +4,7 @@
 
 ## Overview
 
-`atelier-testing` spins up a throwaway PostgreSQL instance for integration tests, so suites that exercise [`atelier-db`](https://github.com/atelier-hub/tricorder/tree/main/atelier-db) can run against a real database without external setup.
+`atelier-testing` spins up a throwaway PostgreSQL instance for integration tests, so suites that exercise [`atelier-db`](https://github.com/tweag/tricorder/tree/main/atelier-db) can run against a real database without external setup.
 
 | Module | Purpose |
 |---|---|
@@ -12,10 +12,10 @@
 
 ## Part of atelier
 
-- [`atelier-prelude`](https://github.com/atelier-hub/tricorder/tree/main/atelier-prelude) — relude-based prelude with Effectful conventions
-- [`atelier-core`](https://github.com/atelier-hub/tricorder/tree/main/atelier-core) — foundational effects and utilities
-- [`atelier-db`](https://github.com/atelier-hub/tricorder/tree/main/atelier-db) — relational database effect (Hasql/Rel8)
-- [`atelier-testing`](https://github.com/atelier-hub/tricorder/tree/main/atelier-testing) — this package
+- [`atelier-prelude`](https://github.com/tweag/tricorder/tree/main/atelier-prelude) — relude-based prelude with Effectful conventions
+- [`atelier-core`](https://github.com/tweag/tricorder/tree/main/atelier-core) — foundational effects and utilities
+- [`atelier-db`](https://github.com/tweag/tricorder/tree/main/atelier-db) — relational database effect (Hasql/Rel8)
+- [`atelier-testing`](https://github.com/tweag/tricorder/tree/main/atelier-testing) — this package
 
 ## License
 
diff --git a/atelier-testing.cabal b/atelier-testing.cabal
--- a/atelier-testing.cabal
+++ b/atelier-testing.cabal
@@ -1,28 +1,33 @@
 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-testing
-version:        0.1.0.0
+version:        0.2.0.0
 synopsis:       Database-backed test utilities for atelier
 description:    Test utilities for database-backed tests using tmp-postgres — part of the atelier toolkit.
 category:       Testing
-homepage:       https://github.com/atelier-hub/tricorder#readme
-bug-reports:    https://github.com/atelier-hub/tricorder/issues
+homepage:       https://github.com/tweag/tricorder#readme
+bug-reports:    https://github.com/tweag/tricorder/issues
 author:         Christian Georgii
 maintainer:     christian.georgii@tweag.io
 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
 
 source-repository head
   type: git
-  location: https://github.com/atelier-hub/tricorder
+  location: https://github.com/tweag/tricorder
 
 library
   exposed-modules:
@@ -50,15 +55,15 @@
       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:
-      atelier-core ==0.1.*
-    , atelier-db ==0.1.*
-    , atelier-prelude ==0.1.*
-    , base ==4.20.*
+      atelier-core ==0.3.*
+    , atelier-db >=0.1 && <0.3
+    , atelier-prelude >=0.1 && <0.3
+    , base >=4.18 && <4.23
     , effectful-core ==2.6.*
-    , effectful-plugin ==2.0.*
-    , hasql ==1.9.*
+    , effectful-plugin >=2.0 && <2.2
+    , hasql >=1.9 && <1.11
     , hasql-pool ==1.3.*
     , hspec ==2.11.*
     , postgres-options ==0.2.*
@@ -70,3 +75,5 @@
   mixins:
       base hiding (Prelude)
   default-language: GHC2021
+  if impl(GHC >= 9.8)
+    ghc-options: -Wno-missing-poly-kind-signatures -Wno-missing-role-annotations