diff --git a/atlas.json b/atlas.json
index 23f1b4d9..43438cb7 100644
--- a/atlas.json
+++ b/atlas.json
@@ -15,7 +15,9 @@
     },
     "epub": {},
     "mobi": {},
-    "html": {}
+    "html": {
+      "toc": true
+    }
   },
-  "theme": "nelliemckesson/atlas_geek_atlas"
+  "theme": "oreillymedia/atlas_trade_theme"
 }
\ No newline at end of file