diff --git a/src/lib.rs b/src/lib.rs
index eaaf5f0..6567c33 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -23,7 +23,8 @@ pub mod validify;
 #[cfg(feature = "yaml")]
 pub mod yaml;
 
-mod sonic;
+#[cfg(feature = "sonic")]
+pub mod sonic;
 #[cfg(feature = "toml")]
 pub mod toml;
 #[cfg(feature = "typed_multipart")]