diff --git a/CHANGELOG.markdown b/CHANGELOG.markdown
deleted file mode 100644
--- a/CHANGELOG.markdown
+++ /dev/null
@@ -1,4 +0,0 @@
-# Change log
-
-Salve follows the [Package Versioning Policy](https://pvp.haskell.org).
-You can find release notes [on GitHub](https://github.com/tfausak/salve/releases).
diff --git a/CHANGELOG.md b/CHANGELOG.md
new file mode 100644
--- /dev/null
+++ b/CHANGELOG.md
@@ -0,0 +1,4 @@
+# Change log
+
+Salve follows the [Package Versioning Policy](https://pvp.haskell.org).
+You can find release notes [on GitHub](https://github.com/tfausak/salve/releases).
diff --git a/LICENSE.markdown b/LICENSE.markdown
deleted file mode 100644
--- a/LICENSE.markdown
+++ /dev/null
@@ -1,21 +0,0 @@
-MIT License
-
-Copyright (c) 2023 Taylor Fausak
-
-Permission is hereby granted, free of charge, to any person obtaining a copy
-of this software and associated documentation files (the "Software"), to deal
-in the Software without restriction, including without limitation the rights
-to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-copies of the Software, and to permit persons to whom the Software is
-furnished to do so, subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in all
-copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-SOFTWARE.
diff --git a/LICENSE.txt b/LICENSE.txt
new file mode 100644
--- /dev/null
+++ b/LICENSE.txt
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2023 Taylor Fausak
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/README.markdown b/README.markdown
deleted file mode 100644
--- a/README.markdown
+++ /dev/null
@@ -1,10 +0,0 @@
-# Salve
-
-[![Workflow](https://github.com/tfausak/salve/actions/workflows/workflow.yaml/badge.svg)](https://github.com/tfausak/salve/actions/workflows/workflow.yaml)
-[![Hackage](https://img.shields.io/hackage/v/salve)](https://hackage.haskell.org/package/salve)
-[![Stackage](https://www.stackage.org/package/salve/badge/nightly?label=stackage)](https://www.stackage.org/package/salve)
-
-Salve provides semantic version numbers and constraints for Haskell.
-
-Salve has extensive documentation available on Hackage:
-<https://hackage.haskell.org/package/salve>.
diff --git a/README.md b/README.md
new file mode 100644
--- /dev/null
+++ b/README.md
@@ -0,0 +1,9 @@
+# Salve
+
+[![CI](https://github.com/tfausak/salve/actions/workflows/ci.yml/badge.svg)](https://github.com/tfausak/salve/actions/workflows/ci.yml)
+[![Hackage](https://badgen.net/hackage/v/salve)](https://hackage.haskell.org/package/salve)
+
+Salve provides semantic version numbers and constraints for Haskell.
+
+Salve has extensive documentation available on Hackage:
+<https://hackage.haskell.org/package/salve>.
diff --git a/salve.cabal b/salve.cabal
--- a/salve.cabal
+++ b/salve.cabal
@@ -1,16 +1,17 @@
 cabal-version: 2.2
-
 name: salve
-version: 2.0.0.4
-
+version: 2.0.0.5
 synopsis: Semantic version numbers and constraints.
 description:
   Salve provides semantic version (SemVer) numbers and constraints (ranges).
 
 build-type: Simple
 category: Distribution
-extra-source-files: CHANGELOG.markdown README.markdown
-license-file: LICENSE.markdown
+extra-doc-files:
+  CHANGELOG.md
+  README.md
+
+license-file: LICENSE.txt
 license: MIT
 maintainer: Taylor Fausak
 
@@ -20,12 +21,10 @@
 
 flag pedantic
   default: False
-  description: Enables @-Werror@, which turns warnings into errors.
   manual: True
 
 common library
-  build-depends:
-    , base >= 4.16.0 && < 4.20
+  build-depends: base ^>=4.18.0.0 || ^>=4.19.0.0 || ^>=4.20.0.0
   default-language: Haskell2010
   ghc-options:
     -Weverything
@@ -43,7 +42,6 @@
 
 common executable
   import: library
-
   build-depends: salve
   ghc-options:
     -rtsopts
@@ -52,17 +50,18 @@
 
 library
   import: library
-
+  -- cabal-gild: discover source/library
   exposed-modules:
     Salve
     Salve.Internal
+
   hs-source-dirs: source/library
 
 test-suite salve-test-suite
   import: executable
-
   build-depends:
-    , HUnit >= 1.6.1 && < 1.7
+    HUnit ^>=1.6.2.0
+
   hs-source-dirs: source/test-suite
   main-is: Main.hs
   type: exitcode-stdio-1.0