diff --git a/lib/fog/aws/models/compute/flavors.rb b/lib/fog/aws/models/compute/flavors.rb
index c8b6d9eb92..c4c809d1f5 100644
--- a/lib/fog/aws/models/compute/flavors.rb
+++ b/lib/fog/aws/models/compute/flavors.rb
@@ -873,6 +873,36 @@ class AWS
           :disk                    => 0,
           :ebs_optimized_available => true,
           :instance_store_volumes  => 0
+        },
+        {
+          :id                      => 'g3.4xlarge',
+          :name                    => 'G3 Quadruple Extra Large',
+          :bits                    => 64,
+          :cores                   => 16,
+          :disk                    => 0,
+          :ram                     => 124928,
+          :ebs_optimized_available => true,
+          :instance_store_volumes  => 0
+        },
+        {
+          :id                      => 'g3.8xlarge',
+          :name                    => 'G3 Octuple Extra Large',
+          :bits                    => 64,
+          :cores                   => 32,
+          :disk                    => 0,
+          :ram                     => 249856,
+          :ebs_optimized_available => true,
+          :instance_store_volumes  => 0
+        },
+        {
+          :id                      => 'g3.16xlarge',
+          :name                    => 'G3 Sixteen Extra Large',
+          :bits                    => 64,
+          :cores                   => 64,
+          :disk                    => 0,
+          :ram                     => 499712,
+          :ebs_optimized_available => true,
+          :instance_store_volumes  => 0
         }
       ]