diff --git a/src/lib.rs b/src/lib.rs
index a59e7c0..b9252b9 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,3 +1,6 @@
+#![no_std]
+extern crate alloc;
+
 mod bool_trie;
 mod tables;