diff --git a/.gitignore b/.gitignore
index 73f45b7..7ff52bf 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,3 +2,4 @@ nokogiri-1.4.2.gem
 nokogiri-1.4.3.1.gem
 /nokogiri-1.5.0.beta.2.gem
 /nokogiri-1.5.0.beta.3.gem
+/nokogiri-1.5.0.beta.4.gem
diff --git a/sources b/sources
index bd62dc6..cd5394c 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-51dde0a5cb0f9ca8aae33b78898eee41  nokogiri-1.5.0.beta.3.gem
+7ec5d28bfcfddfa3144333c2474b380b  nokogiri-1.5.0.beta.4.gem