diff --git a/src/lib.rs b/src/lib.rs
index 9710b92..59f3a79 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,3 +1,5 @@
+#![no_std]
+
 #[macro_use]
 extern crate proc_macro_hack;
 extern crate binary_macros_impl;