diff --git a/src/java/org/lwjgl/WindowsSysImplementation.java b/src/java/org/lwjgl/WindowsSysImplementation.java
index 3483bb45..536b1a45 100644
--- a/src/java/org/lwjgl/WindowsSysImplementation.java
+++ b/src/java/org/lwjgl/WindowsSysImplementation.java
@@ -45,7 +45,7 @@ import org.lwjgl.opengl.Display;
  * $Id$
  */
 final class WindowsSysImplementation extends DefaultSysImplementation {
-	private final static int JNI_VERSION = 20;
+	private final static int JNI_VERSION = 21;
 
 	static {
 		Sys.initialize();