diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6a3c965..8f1e04d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+- Fix deprecated Elixir `Logger.warn()` to `Logger.warning()`.
+
 ## [0.21.0] - 2022-11-19
 
 ### Fixed
diff --git a/lib/config.ex b/lib/config.ex
index 773ddc8..4754c48 100644
--- a/lib/config.ex
+++ b/lib/config.ex
@@ -110,7 +110,7 @@ defmodule Doctor.Config do
   end
 
   defp warn_deprecation(_bool, val) do
-    Logger.warn("""
+    Logger.warning("""
     :moduledoc_required in #{Config.config_file()} is a deprecated option. \
     Now running with the equivalent :min_overall_moduledoc_coverage #{val} \
     but you should replace the deprecated option with the new one to avoid \
diff --git a/lib/reporters/full.ex b/lib/reporters/full.ex
index acf2c4e..98875c0 100644
--- a/lib/reporters/full.ex
+++ b/lib/reporters/full.ex
@@ -122,7 +122,7 @@ defmodule Doctor.Reporters.Full do
           """
           #{ANSI.red()}Doctor validation has failed because:
             * #{Enum.map_join(errs, ".\n  * ", &String.capitalize(&1))}.\
-          #{ANSI.reset()})")
+          #{ANSI.reset()}
           """
       end