diff --git a/src/lib.rs b/src/lib.rs
index f466756..995f3bd 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -48,6 +48,10 @@ pub use crate::{
 };
 pub use der::{self, asn1::ObjectIdentifier};
 
+/// Local Android change: Use std to allow building as a dylib.
+#[cfg(android_dylib)]
+extern crate std;
+
 #[cfg(feature = "alloc")]
 pub use {crate::traits::EncodePublicKey, der::Document};