diff --git a/build.xml b/build.xml
index f0007d79..7d7b0813 100644
--- a/build.xml
+++ b/build.xml
@@ -17,8 +17,8 @@
 
 	<property name="mcpsrc.dir"          value="${mcp.dir}/src/minecraft"/>
 
-	<property name="mcp.version"         value="72"/>
-	<property name="forge.version"       value="4.1.4.287"/>
+	<property name="mcp.version"         value="719"/>
+	<property name="forge.version"       value="6.0.1.337"/>
 	<property name="bc.version"          value="3.1.8"/>
 
 	<available property="forge-exists" file="${download.dir}/minecraftforge-src-${forge.version}.zip"/>