diff --git a/Cargo.toml b/Cargo.toml
index 2deb4790d..8cceb6045 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 name = "solana"
 description = "High-Performance Blockchain"
-version = "0.4.0"
+version = "0.4.0-alpha"
 documentation = "https://docs.rs/solana"
 homepage = "http://loomprotocol.com/"
 repository = "https://github.com/solana-labs/solana"
diff --git a/doc/historian.md b/doc/historian.md
index b6dafedb4..0064d7f64 100644
--- a/doc/historian.md
+++ b/doc/historian.md
@@ -8,11 +8,11 @@ with by verifying each entry's hash can be generated from the hash in the previo
 ![historian](https://user-images.githubusercontent.com/55449/36950845-459bdb58-1fb9-11e8-850e-894586f3729b.png)
 
 ```rust
-extern crate silk;
+extern crate solana;
 
-use silk::historian::Historian;
-use silk::ledger::{verify_slice, Entry, Hash};
-use silk::event::{generate_keypair, get_pubkey, sign_claim_data, Event};
+use solana::historian::Historian;
+use solana::ledger::{verify_slice, Entry, Hash};
+use solana::event::{generate_keypair, get_pubkey, sign_claim_data, Event};
 use std::thread::sleep;
 use std::time::Duration;
 use std::sync::mpsc::SendError;
diff --git a/src/bin/client-demo.rs b/src/bin/client-demo.rs
index 42916f84d..2f635503f 100644
--- a/src/bin/client-demo.rs
+++ b/src/bin/client-demo.rs
@@ -1,10 +1,10 @@
 extern crate serde_json;
-extern crate silk;
+extern crate solana;
 
-use silk::accountant_stub::AccountantStub;
-use silk::mint::Mint;
-use silk::signature::{KeyPair, KeyPairUtil};
-use silk::transaction::Transaction;
+use solana::accountant_stub::AccountantStub;
+use solana::mint::Mint;
+use solana::signature::{KeyPair, KeyPairUtil};
+use solana::transaction::Transaction;
 use std::io::stdin;
 use std::net::UdpSocket;
 use std::time::Instant;
diff --git a/src/bin/genesis-demo.rs b/src/bin/genesis-demo.rs
index 2c8f6e9ff..bcf26bc0e 100644
--- a/src/bin/genesis-demo.rs
+++ b/src/bin/genesis-demo.rs
@@ -1,12 +1,12 @@
 extern crate serde_json;
-extern crate silk;
+extern crate solana;
 
-use silk::entry::create_entry;
-use silk::event::Event;
-use silk::hash::Hash;
-use silk::mint::Mint;
-use silk::signature::{KeyPair, KeyPairUtil, PublicKey};
-use silk::transaction::Transaction;
+use solana::entry::create_entry;
+use solana::event::Event;
+use solana::hash::Hash;
+use solana::mint::Mint;
+use solana::signature::{KeyPair, KeyPairUtil, PublicKey};
+use solana::transaction::Transaction;
 use std::io::stdin;
 
 fn transfer(from: &KeyPair, (to, tokens): (PublicKey, i64), last_id: Hash) -> Event {
diff --git a/src/bin/genesis.rs b/src/bin/genesis.rs
index 8a241cb40..66d2357b5 100644
--- a/src/bin/genesis.rs
+++ b/src/bin/genesis.rs
@@ -1,9 +1,9 @@
 //! A command-line executable for generating the chain's genesis block.
 
 extern crate serde_json;
-extern crate silk;
+extern crate solana;
 
-use silk::mint::Mint;
+use solana::mint::Mint;
 use std::io::stdin;
 
 fn main() {
diff --git a/src/bin/historian-demo.rs b/src/bin/historian-demo.rs
index 1652c7943..89d377c98 100644
--- a/src/bin/historian-demo.rs
+++ b/src/bin/historian-demo.rs
@@ -1,13 +1,13 @@
-extern crate silk;
+extern crate solana;
 
-use silk::entry::Entry;
-use silk::event::Event;
-use silk::hash::Hash;
-use silk::historian::Historian;
-use silk::ledger::verify_slice;
-use silk::recorder::Signal;
-use silk::signature::{KeyPair, KeyPairUtil};
-use silk::transaction::Transaction;
+use solana::entry::Entry;
+use solana::event::Event;
+use solana::hash::Hash;
+use solana::historian::Historian;
+use solana::ledger::verify_slice;
+use solana::recorder::Signal;
+use solana::signature::{KeyPair, KeyPairUtil};
+use solana::transaction::Transaction;
 use std::sync::mpsc::SendError;
 use std::thread::sleep;
 use std::time::Duration;
diff --git a/src/bin/mint.rs b/src/bin/mint.rs
index e1527dbc9..880257af7 100644
--- a/src/bin/mint.rs
+++ b/src/bin/mint.rs
@@ -1,7 +1,7 @@
 extern crate serde_json;
-extern crate silk;
+extern crate solana;
 
-use silk::mint::Mint;
+use solana::mint::Mint;
 use std::io;
 
 fn main() {
diff --git a/src/bin/testnode.rs b/src/bin/testnode.rs
index dce8257a2..a8daaec4c 100644
--- a/src/bin/testnode.rs
+++ b/src/bin/testnode.rs
@@ -1,8 +1,8 @@
 extern crate serde_json;
-extern crate silk;
+extern crate solana;
 
-use silk::accountant::Accountant;
-use silk::accountant_skel::AccountantSkel;
+use solana::accountant::Accountant;
+use solana::accountant_skel::AccountantSkel;
 use std::io::{self, stdout, BufRead};
 use std::sync::atomic::AtomicBool;
 use std::sync::{Arc, Mutex};