diff --git a/.gitignore b/.gitignore
index b89c472..a1a9d2b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
 /uglify-js-2.2.3.tgz
+/uglify-js-2.2.4.tgz
diff --git a/sources b/sources
index 130b0bf..a3bb598 100644
--- a/sources
+++ b/sources
@@ -1 +1,2 @@
 e441026603fbee14a71c9f9fc12d2143  uglify-js-2.2.3.tgz
+f9c8d82dadbe4cb8d455501dae7a2fc9  uglify-js-2.2.4.tgz