Update README.md

LEDfan · LEDfan · commit 2fbcdf2b7bba · 2025-07-07T11:21:14.000+02:00
diff --git a/README.md b/README.md
@@ -34,4 +34,4 @@ The build will result in a single `.jar` file:
 
 ## Java Version
 
-This project requires JDK 17.
+This project requires JDK 21.

Original file line number	Diff line number	Diff line change
@@ -34,4 +34,4 @@ The build will result in a single `.jar` file:
`34`	`34`
`35`	`35`	`## Java Version`
`36`	`36`
`37`		`-This project requires JDK 17.`
	`37`	`+This project requires JDK 21.`