diff --git a/Cargo.toml b/Cargo.toml
index e09bb89..18fa536 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -13,6 +13,7 @@ logic = [
   "failure",
   "lazy_static",
   "scraper",
+  "with_serde",
 ]
 with_serde = [
   "serde",