diff --git a/configuration.org b/configuration.org
index c7e539a..1fe621a 100644
--- a/configuration.org
+++ b/configuration.org
@@ -2464,6 +2464,51 @@ A big help during refactoring.
 (use-package hl-todo)
 #+END_SRC
 
+** Bug and patch links
+
+#+BEGIN_SRC emacs-lisp
+(defvar gpolonkai/bug-reference-url-bug-string "issues"
+  "String to insert in a `bug-reference-url-format' for bug references.")
+
+(put 'gpolonkai/bug-reference-url-bug-string 'safe-local-variable 'stringp)
+
+(defvar gpolonkai/bug-reference-url-patch-string "merge_requests"
+  "String to insert in a `bug-reference-url-format' for patch references.")
+
+(defvar-local bug-reference-host "gitlab.com"
+  "The hostname to use in `bug-reference-url-format'.")
+
+(defvar-local bug-reference-group "gamesystems"
+  "The group name or username to use in `bug-reference-url-format'.")
+
+(defvar-local bug-reference-repository "game-app"
+  "The repository name to use in `bug-reference-url-format'.")
+
+(put 'gpolonkai/bug-reference-url-patch-string 'safe-local-variable 'stringp)
+
+(defun gpolonkai/bug-reference-url ()
+  "Return a GitLab issue or Merge Request URL.
+Intended as a value for `bug-referecne-url-format'."
+  (format "https://%s/%s/%s/%s/%s"
+          bug-reference-host
+          bug-reference-group
+          bug-reference-repository
+          (if (string-suffix-p "!" (match-string-no-properties 1))
+              gpolonkai/bug-reference-url-patch-string
+            gpolonkai/bug-reference-url-bug-string)
+          (match-string-no-properties 2))
+  )
+
+(use-package bug-reference
+  :custom
+  (bug-reference-bug-regexp (rx (group (in ?! ?#))
+                                (group (+ digit))))
+  (bug-reference-url-format #'my-gitlab-url)
+  :hook
+  (text-mode . bug-reference-mode)
+  (prog-mode . bug-reference-prog-mode))
+#+END_SRC
+
 * Python related setup and ~use-package~ calls
 
 Because, well, that’s my job now.  Of course it gets a dedicated section.