diff --git a/Formula/ec2-ami-tools.rb b/Formula/ec2-ami-tools.rb
index 9160b1e6a81..ef1552e0fdf 100644
--- a/Formula/ec2-ami-tools.rb
+++ b/Formula/ec2-ami-tools.rb
@@ -2,8 +2,8 @@ require 'formula'
 
 class Ec2AmiTools < AmazonWebServicesFormula
   homepage 'http://aws.amazon.com/developertools/368'
-  url 'http://ec2-downloads.s3.amazonaws.com/ec2-ami-tools-1.5.2.zip'
-  sha1 '1ee8ec20717426d4f516422b63107bde1421a085'
+  url 'http://ec2-downloads.s3.amazonaws.com/ec2-ami-tools-1.5.3.zip'
+  sha1 'a12a4b4cb9d602e70a51dcf0daad35b412828e4e'
 
   def install
     standard_install