diff --git a/interfaces.go b/interfaces.go
index ee02baf..649e756 100644
--- a/interfaces.go
+++ b/interfaces.go
@@ -26,5 +26,9 @@
   // Images
 
   ListImages() ([]Image, error)
+
+  // Flavors
+
+  ListFlavors() ([]Flavor, error)
 }