diff --git a/maud/src/lib.rs b/maud/src/lib.rs
index 8eeeea7..88d5514 100644
--- a/maud/src/lib.rs
+++ b/maud/src/lib.rs
@@ -1,5 +1,7 @@
 //! Super fast HTML template engine.
 
+#![allow(unstable)]
+
 use std::fmt;
 use std::fmt::Writer as FmtWriter;