diff --git a/platform_build/build-definitions.xml b/platform_build/build-definitions.xml
index 3d8b3ce6..0708da84 100644
--- a/platform_build/build-definitions.xml
+++ b/platform_build/build-definitions.xml
@@ -12,7 +12,7 @@
 	<property name="lwjgl.docs" 					location="doc" />
 	<property name="lwjgl.temp" 					location="temp" />
 	<property name="lwjgl.res" 						location="res" />
-	<property name="lwjgl.version" 				value="2.0a4" />
+	<property name="lwjgl.version" 				value="2.0b1" />
 
 	<property name="opengl-template-pattern" value="org/lwjgl/opengl/GL*.java,org/lwjgl/opengl/ARB*.java,org/lwjgl/opengl/ATI*.java,org/lwjgl/opengl/EXT*.java,org/lwjgl/opengl/NV*.java,org/lwjgl/opengl/HP*.java,org/lwjgl/opengl/IBM*.java,org/lwjgl/opengl/SUN*.java,org/lwjgl/opengl/SGIS*.java"/>
 	<!-- ================================================================== -->
diff --git a/src/java/org/lwjgl/Sys.java b/src/java/org/lwjgl/Sys.java
index 0e4fb6c0..6a0786a0 100644
--- a/src/java/org/lwjgl/Sys.java
+++ b/src/java/org/lwjgl/Sys.java
@@ -54,7 +54,7 @@ public final class Sys {
 	private static final String JNI_LIBRARY_NAME = "lwjgl";
 
 	/** Current version of library */
-	private static final String VERSION = "2.0a4";
+	private static final String VERSION = "2.0b1";
 
 	/** Current version of the JNI library */
 	static final int JNI_VERSION = 16;