diff --git a/README.md b/README.md
index 87c48ce..44e0bdd 100644
--- a/README.md
+++ b/README.md
@@ -99,7 +99,7 @@ java -jar lib/build/libs/urlencoder-*.jar -d "a%20test%20%26" # -> a test &
 
 ## Why not simply use `java.net.URLEncoder`?
 
-Apart for being quite inefficient, some URL components encoded with `URLEncoder.encode` might not be able to be properly decoded.
+Apart for being quite inefficient and [deprecated](https://inside.java/2023/02/15/quality-heads-up/) as of JDK 20, some URL components encoded with `URLEncoder.encode` might not be able to be properly decoded.
 
 For example, a simply search query such as: