diff --git a/libraries/persistent_store/src/lib.rs b/libraries/persistent_store/src/lib.rs
index 93d673d..942192f 100644
--- a/libraries/persistent_store/src/lib.rs
+++ b/libraries/persistent_store/src/lib.rs
@@ -15,6 +15,8 @@
 #![cfg_attr(not(feature = "std"), no_std)]
 #![feature(slice_fill)]
 
+extern crate alloc;
+
 #[macro_use]
 mod bitfield;
 mod buffer;