diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,13 @@
 # Changelog for settei-formats
 
+## 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
 
 - Initial experimental release.
diff --git a/settei-formats.cabal b/settei-formats.cabal
--- a/settei-formats.cabal
+++ b/settei-formats.cabal
@@ -1,21 +1,21 @@
-cabal-version:   3.8
-name:            settei-formats
-version:         0.2.0.0
-synopsis:        Tagged multi-format configuration loading for Settei
+cabal-version: 3.8
+name: settei-formats
+version: 0.3.0.0
+synopsis: Tagged multi-format configuration loading for Settei
 description:
   Parse tagged FORMAT:PATH configuration inputs and load them through the
   Settei YAML, KDL, and Dhall adapters with one shared dispatcher, so
   multi-format applications stop hand-rolling the same reader and loader.
 
-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
+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
 data-files:
   test/fixtures/*.dhall
@@ -23,43 +23,45 @@
   test/fixtures/*.yaml
 
 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.Formats
     Settei.Formats.Optparse
 
   build-depends:
-    , base                         >=4.21    && <5
-    , containers                   >=0.6.8   && <0.8
-    , generic-lens                 >=2.2     && <2.4
-    , optparse-applicative         >=0.19    && <0.20
-    , settei                       ==0.2.0.0
-    , settei-dhall                 ==0.2.0.0
-    , settei-kdl                   ==0.2.0.0
-    , settei-optparse-applicative  ==0.2.0.0
-    , settei-yaml                  ==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,
+    optparse-applicative >=0.19 && <0.20,
+    settei ==0.3.0.0,
+    settei-dhall ==0.3.0.0,
+    settei-kdl ==0.3.0.0,
+    settei-optparse-applicative ==0.3.0.0,
+    settei-yaml ==0.3.0.0,
+    text >=2.1 && <2.2,
 
 test-suite settei-formats-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_formats
     Settei.FormatsOptparseTest
@@ -67,15 +69,15 @@
 
   autogen-modules: Paths_settei_formats
   build-depends:
-    , base                  >=4.21    && <5
-    , containers            >=0.6.8   && <0.8
-    , generic-lens          >=2.2     && <2.4
-    , optparse-applicative  >=0.19    && <0.20
-    , settei                ==0.2.0.0
-    , settei-dhall          ==0.2.0.0
-    , settei-formats        ==0.2.0.0
-    , settei-kdl            ==0.2.0.0
-    , settei-yaml           ==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,
+    optparse-applicative >=0.19 && <0.20,
+    settei ==0.3.0.0,
+    settei-dhall ==0.3.0.0,
+    settei-formats ==0.3.0.0,
+    settei-kdl ==0.3.0.0,
+    settei-yaml ==0.3.0.0,
+    tasty >=1.5 && <1.6,
+    tasty-hunit >=0.10.2 && <0.11,
+    text >=2.1 && <2.2,