diff --git a/lib/pinchflat/sources/source.ex b/lib/pinchflat/sources/source.ex
index 912a3a1..0ed8aaa 100644
--- a/lib/pinchflat/sources/source.ex
+++ b/lib/pinchflat/sources/source.ex
@@ -75,6 +75,6 @@ defmodule Pinchflat.Sources.Source do
   @doc false
   def fast_index_frequency do
     # minutes
-    2
+    15
   end
 end