diff --git a/lib/x509/logger.ex b/lib/x509/logger.ex
index 110cf40..046840e 100644
--- a/lib/x509/logger.ex
+++ b/lib/x509/logger.ex
@@ -1,10 +1,9 @@
 defmodule X509.Logger do
   @moduledoc false
-  alias X509.Util
 
   require Logger
 
-  if Util.app_version(:logger) >= [1, 11, 0] do
+  if Version.match?(System.version(), ">= 1.11.0") do
     def warn(message, metadata \\ []) do
       Logger.warning(message, metadata)
     end