diff --git a/lib/switch_point/config.rb b/lib/switch_point/config.rb
index c6e70b7..a11f3fd 100644
--- a/lib/switch_point/config.rb
+++ b/lib/switch_point/config.rb
@@ -36,6 +36,10 @@ def keys
       switch_points.keys
     end
 
+    def each_key(&block)
+      switch_points.each_key(&block)
+    end
+
     private
 
     def assert_valid_config!(config)