diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,13 @@
 # Changelog for settei-kdl
 
+## 0.3.0.0 — 2026-10-21
+
+### Other Changes
+
+- Released in lockstep with the shared 0.3.0.0 Settei family; exact `settei` family
+  pins move to `==0.3.0.0`. No API or behavior change in this package.
+- Normalize the Cabal file with the configured formatter.
+
 ## 0.2.0.0 — 2026-07-19
 
 - Add `renderKdlErrorText` and `renderKdlErrorsText` for stable, operator-readable,
diff --git a/settei-kdl.cabal b/settei-kdl.cabal
--- a/settei-kdl.cabal
+++ b/settei-kdl.cabal
@@ -1,56 +1,58 @@
-cabal-version:      3.8
-name:               settei-kdl
-version:            0.2.0.0
-synopsis:           KDL v2 sources for Settei
+cabal-version: 3.8
+name: settei-kdl
+version: 0.3.0.0
+synopsis: KDL v2 sources for Settei
 description:
   Translate a canonical KDL v2 document into a provenance-aware Settei
   source while preserving node spans and rejecting ambiguous shapes.
 
-homepage:           https://github.com/shinzui/settei
-bug-reports:        https://github.com/shinzui/settei/issues
-license:            BSD-3-Clause
-license-file:       LICENSE
-author:             shinzui
-maintainer:         shinzui
-category:           Configuration
-build-type:         Simple
-tested-with:        GHC ==9.12.4
-extra-doc-files:    CHANGELOG.md
+homepage: https://github.com/shinzui/settei
+bug-reports: https://github.com/shinzui/settei/issues
+license: BSD-3-Clause
+license-file: LICENSE
+author: shinzui
+maintainer: shinzui
+category: Configuration
+build-type: Simple
+tested-with: ghc ==9.12.4
+extra-doc-files: CHANGELOG.md
 extra-source-files: test/fixtures/characterization/README.md
-data-files:         test/fixtures/characterization/*.kdl
+data-files: test/fixtures/characterization/*.kdl
 
 source-repository head
-  type:     git
+  type: git
   location: https://github.com/shinzui/settei.git
 
 common common
-  default-language:   GHC2024
+  default-language: GHC2024
   default-extensions:
     DeriveAnyClass
     DuplicateRecordFields
     OverloadedLabels
     OverloadedStrings
 
-  ghc-options:        -Wall -Wcompat
+  ghc-options:
+    -Wall
+    -Wcompat
 
 library
-  import:          common
-  hs-source-dirs:  src
+  import: common
+  hs-source-dirs: src
   exposed-modules: Settei.Kdl
   build-depends:
-    , base          >=4.21    && <5
-    , containers    >=0.6.8   && <0.8
-    , generic-lens  >=2.2     && <2.4
-    , kdl-hs        >=1.1.1   && <1.2
-    , scientific    >=0.3.7   && <0.4
-    , settei        ==0.2.0.0
-    , text          >=2.1     && <2.2
+    base >=4.21 && <5,
+    containers >=0.6.8 && <0.8,
+    generic-lens >=2.2 && <2.4,
+    kdl-hs >=1.1.1 && <1.2,
+    scientific >=0.3.7 && <0.4,
+    settei ==0.3.0.0,
+    text >=2.1 && <2.2,
 
 test-suite settei-kdl-tests
-  import:          common
-  type:            exitcode-stdio-1.0
-  hs-source-dirs:  test
-  main-is:         Main.hs
+  import: common
+  type: exitcode-stdio-1.0
+  hs-source-dirs: test
+  main-is: Main.hs
   other-modules:
     Paths_settei_kdl
     Settei.KdlCharacterizationTest
@@ -58,11 +60,11 @@
 
   autogen-modules: Paths_settei_kdl
   build-depends:
-    , base          >=4.21    && <5
-    , containers    >=0.6.8   && <0.8
-    , generic-lens  >=2.2     && <2.4
-    , settei        ==0.2.0.0
-    , settei-kdl    ==0.2.0.0
-    , tasty         >=1.5     && <1.6
-    , tasty-hunit   >=0.10.2  && <0.11
-    , text          >=2.1     && <2.2
+    base >=4.21 && <5,
+    containers >=0.6.8 && <0.8,
+    generic-lens >=2.2 && <2.4,
+    settei ==0.3.0.0,
+    settei-kdl ==0.3.0.0,
+    tasty >=1.5 && <1.6,
+    tasty-hunit >=0.10.2 && <0.11,
+    text >=2.1 && <2.2,