diff --git a/common/eth2_testnet_config/.gitignore b/common/eth2_testnet_config/.gitignore
index e7c8e1add..e3b2b30d1 100644
--- a/common/eth2_testnet_config/.gitignore
+++ b/common/eth2_testnet_config/.gitignore
@@ -1,4 +1,4 @@
 testnet*
 schlesi-*
 witti-*
-altona
+altona*
diff --git a/common/eth2_testnet_config/build.rs b/common/eth2_testnet_config/build.rs
index 91ab57960..3d4902393 100644
--- a/common/eth2_testnet_config/build.rs
+++ b/common/eth2_testnet_config/build.rs
@@ -6,7 +6,7 @@ use std::fs::File;
 use std::io::Write;
 use std::path::PathBuf;
 
-const TESTNET_ID: &str = "altona";
+const TESTNET_ID: &str = "altona-v2";
 
 fn main() {
     if !base_dir().exists() {
@@ -32,16 +32,14 @@ pub fn get_all_files() -> Result<(), String> {
     get_file("config.yaml")?;
     get_file("deploy_block.txt")?;
     get_file("deposit_contract.txt")?;
-    // TODO: add once we know the genesis state for Altona.
-    //
-    // get_file("genesis.ssz")?;
+    get_file("genesis.ssz")?;
 
     Ok(())
 }
 
 pub fn get_file(filename: &str) -> Result<(), String> {
     let url = format!(
-        "https://raw.githubusercontent.com/sigp/witti/a48ea2d68a87db93aa7fd482461418496ed4347d/altona/lighthouse/{}",
+        "https://raw.githubusercontent.com/sigp/witti/2bab01c2c18aea9f571e79d646acfd34704cbfde/altona/lighthouse/{}",
         filename
     );
 
diff --git a/common/eth2_testnet_config/src/lib.rs b/common/eth2_testnet_config/src/lib.rs
index bbbb227eb..95d1379e1 100644
--- a/common/eth2_testnet_config/src/lib.rs
+++ b/common/eth2_testnet_config/src/lib.rs
@@ -23,15 +23,13 @@ pub const YAML_CONFIG_FILE: &str = "config.yaml";
 /// The name of the testnet to hardcode.
 ///
 /// Should be set to `None` when no existing testnet is compatible with the codebase.
-pub const HARDCODED_TESTNET: Option<&str> = Some("altona");
+pub const HARDCODED_TESTNET: Option<&str> = Some("altona-v2");
 
-pub const HARDCODED_YAML_CONFIG: &[u8] = include_bytes!("../altona/config.yaml");
-pub const HARDCODED_DEPLOY_BLOCK: &[u8] = include_bytes!("../altona/deploy_block.txt");
-pub const HARDCODED_DEPOSIT_CONTRACT: &[u8] = include_bytes!("../altona/deposit_contract.txt");
-// TODO: add once we know the genesis state for Altona.
-//
-// pub const HARDCODED_GENESIS_STATE: &[u8] = include_bytes!("../altona/genesis.ssz");
-pub const HARDCODED_BOOT_ENR: &[u8] = include_bytes!("../altona/boot_enr.yaml");
+pub const HARDCODED_YAML_CONFIG: &[u8] = include_bytes!("../altona-v2/config.yaml");
+pub const HARDCODED_DEPLOY_BLOCK: &[u8] = include_bytes!("../altona-v2/deploy_block.txt");
+pub const HARDCODED_DEPOSIT_CONTRACT: &[u8] = include_bytes!("../altona-v2/deposit_contract.txt");
+pub const HARDCODED_GENESIS_STATE: &[u8] = include_bytes!("../altona-v2/genesis.ssz");
+pub const HARDCODED_BOOT_ENR: &[u8] = include_bytes!("../altona-v2/boot_enr.yaml");
 
 /// Specifies an Eth2 testnet.
 ///
@@ -62,15 +60,10 @@ impl<E: EthSpec> Eth2TestnetConfig<E> {
                     serde_yaml::from_reader(HARDCODED_BOOT_ENR)
                         .map_err(|e| format!("Unable to parse boot enr: {:?}", e))?,
                 ),
-                genesis_state: None,
-                /*
-                 * TODO: add once we know the genesis state for Altona.
-                 *
                 genesis_state: Some(
                     BeaconState::from_ssz_bytes(HARDCODED_GENESIS_STATE)
                         .map_err(|e| format!("Unable to parse genesis state: {:?}", e))?,
                 ),
-                 */
                 yaml_config: Some(
                     serde_yaml::from_reader(HARDCODED_YAML_CONFIG)
                         .map_err(|e| format!("Unable to parse genesis state: {:?}", e))?,
@@ -227,9 +220,7 @@ mod tests {
             Eth2TestnetConfig::<E>::hard_coded().expect("should decode hard_coded params")
         {
             assert!(dir.boot_enr.is_some());
-            // TODO: add once we know the genesis state for Altona.
-            //
-            // assert!(dir.genesis_state.is_some());
+            assert!(dir.genesis_state.is_some());
             assert!(dir.yaml_config.is_some());
         }
     }