diff --git a/Cargo.toml b/Cargo.toml
index 72877ba..f202a33 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -30,3 +30,6 @@ slog = "2"
 slog-json = "2.6"
 hostname = "0.3.0"
 time = { version = "0.3.6", features = ["formatting", "local-offset", "macros"] }
+
+[features]
+nested-values = ["slog-json/nested-values"]