diff --git a/bitcoin/src/bip32.rs b/bitcoin/src/bip32.rs
index c1c45597..0016d77d 100644
--- a/bitcoin/src/bip32.rs
+++ b/bitcoin/src/bip32.rs
@@ -33,6 +33,14 @@ const VERSION_BYTES_TESTNETS_PUBLIC: [u8; 4] = [0x04, 0x35, 0x87, 0xCF];
 /// Version bytes for extended private keys on any of the testnet networks.
 const VERSION_BYTES_TESTNETS_PRIVATE: [u8; 4] = [0x04, 0x35, 0x83, 0x94];
 
+/// The old name for xpub, extended public key.
+#[deprecated(since = "0.31.0", note = "use xpub instead")]
+pub type ExtendendPubKey = Xpub;
+
+/// The old name for xpriv, extended public key.
+#[deprecated(since = "0.31.0", note = "use xpriv instead")]
+pub type ExtendendPrivKey = Xpriv;
+
 /// A chain code
 #[derive(Copy, Clone, PartialEq, Eq, PartialOrd, Ord, Hash)]
 pub struct ChainCode([u8; 32]);