diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,9 +5,13 @@
 For a full list of changes, see the commit history of the
 git repository:
 
-https://gitlab.com/daniel-casanueva/haskell/HaTeX/-/commits/main
+https://codeberg.org/daniel-casanueva/HaTeX/commits/branch/main
 
 # Changelog by versions
+
+## 3.23.0.1
+* Metadata update.
+* Drop gitlab CI.
 
 ## 3.23.0.0
 * Rename `forall` as `forall_` (Patrick Ritzenfeld).
diff --git a/HaTeX.cabal b/HaTeX.cabal
--- a/HaTeX.cabal
+++ b/HaTeX.cabal
@@ -1,13 +1,12 @@
 name: HaTeX
-version: 3.23.0.0
+version: 3.23.0.1
 category: LaTeX
 build-type: Simple
 license: BSD3
 license-file: license
-author: Daniel Casanueva (daniel.casanueva `at` proton.me)
-maintainer: Daniel Casanueva (daniel.casanueva `at` proton.me)
-homepage: https://gitlab.com/daniel-casanueva/haskell/HaTeX
-bug-reports: https://gitlab.com/daniel-casanueva/haskell/HaTeX/-/issues
+maintainer: Daniel Casanueva (coding `at` danielcasanueva.eu)
+homepage: https://codeberg.org/daniel-casanueva/HaTeX
+bug-reports: https://codeberg.org/daniel-casanueva/HaTeX/issues
 synopsis: The Haskell LaTeX library.
 description: This library implements the LaTeX syntax and provides some useful abstractions.
              .
@@ -29,8 +28,10 @@
              .
              If you prefer to write in LaTeX and all you want is to /program/ some parts of the document,
              or if you already have the LaTeX document written and you just want to add some automatically
-             generated LaTeX code somewhere, check haskintex: <https://daniel-casanueva.gitlab.io/haskell/haskintex>.
-             It allows you to embed Haskell in LaTeX. It also makes it easy to use HaTeX within a LaTeX document.
+             generated LaTeX code somewhere, check haskintex:
+             <https://codeberg.org/daniel-casanueva/haskintex>.
+             It allows you to embed Haskell in LaTeX. It also makes it easy to use HaTeX within a
+             LaTeX document.
 cabal-version: 1.18
 extra-source-files:
   -- Examples
diff --git a/README.md b/README.md
--- a/README.md
+++ b/README.md
@@ -3,21 +3,25 @@
 
 HaTeX is a Haskell library that implements the *LaTeX syntax*, plus some abstractions on top.
 
-Check a list of usage examples in the [Examples](https://gitlab.com/daniel-casanueva/haskell/HaTeX/-/tree/main/Examples) directory
-of the repository in GitHub.
-A good starting point is [simple.hs](https://gitlab.com/daniel-casanueva/haskell/HaTeX/-/blob/main/Examples/simple.hs?ref_type=heads).
+Check a list of usage examples in the
+[Examples](https://codeberg.org/daniel-casanueva/HaTeX/src/branch/main/Examples)
+directory.
+A good starting point is
+[simple.hs](https://codeberg.org/daniel-casanueva/HaTeX/src/branch/main/Examples/simple.hs).
 Run any example script executing the `main` function.
 
 ## How to contribute
 
 There are the options for potential contributors:
 
-* Fork the [GitLab repository](https://gitlab.com/daniel-casanueva/haskell/HaTeX) and open a merge request.
-* Report bugs or make suggestions opening a ticket in the [Issue Tracker](https://gitlab.com/daniel-casanueva/haskell/HaTeX/-/issues).
+* Fork the [git repository](https://codeberg.org/daniel-casanueva/HaTeX)
+  and open a pull request.
+* Report bugs or make suggestions opening a ticket in the
+  [Issue Tracker](https://codeberg.org/daniel-casanueva/HaTeX/issues).
 
 ## Related projects
 
-* [haskintex](https://daniel-casanueva.gitlab.io/haskell/haskintex): Tool to use Haskell (and, additionaly, the HaTeX library)
-within a LaTeX file.
-* [TeX-my-math](https://github.com/leftaroundabout/Symbolic-math-HaTeX): Experimental library to ease the production
-of mathematical expressions using HaTeX.
+* [haskintex](https://codeberg.org/daniel-casanueva/haskintex):
+  Tool to use Haskell (and, additionaly, the HaTeX library) within a LaTeX file.
+* [TeX-my-math](https://github.com/leftaroundabout/Symbolic-math-HaTeX): Experimental
+  library to ease the production of mathematical expressions using HaTeX.