diff --git a/polkadot/cli/src/command.rs b/polkadot/cli/src/command.rs
index bf8a1d218806d3b11f7d91de3d729b631eb1abe0..db771f51231374cf348bd90dd82f1f40afd4a6de 100644
--- a/polkadot/cli/src/command.rs
+++ b/polkadot/cli/src/command.rs
@@ -74,22 +74,24 @@ impl SubstrateCli for Cli {
 				.unwrap_or("polkadot")
 		} else { id };
 		Ok(match id {
-			"polkadot-dev" | "dev" => Box::new(service::chain_spec::polkadot_development_config()?),
-			"polkadot-local" => Box::new(service::chain_spec::polkadot_local_testnet_config()?),
-			"polkadot-staging" => Box::new(service::chain_spec::polkadot_staging_testnet_config()?),
+			"kusama" => Box::new(service::chain_spec::kusama_config()?),
 			"kusama-dev" => Box::new(service::chain_spec::kusama_development_config()?),
 			"kusama-local" => Box::new(service::chain_spec::kusama_local_testnet_config()?),
 			"kusama-staging" => Box::new(service::chain_spec::kusama_staging_testnet_config()?),
 			"polkadot" => Box::new(service::chain_spec::polkadot_config()?),
+			"polkadot-dev" | "dev" => Box::new(service::chain_spec::polkadot_development_config()?),
+			"polkadot-local" => Box::new(service::chain_spec::polkadot_local_testnet_config()?),
+			"polkadot-staging" => Box::new(service::chain_spec::polkadot_staging_testnet_config()?),
+			"rococo" => Box::new(service::chain_spec::rococo_config()?),
+			"rococo-dev" => Box::new(service::chain_spec::rococo_development_config()?),
+			"rococo-local" => Box::new(service::chain_spec::rococo_local_testnet_config()?),
+			"rococo-staging" => Box::new(service::chain_spec::rococo_staging_testnet_config()?),
 			"westend" => Box::new(service::chain_spec::westend_config()?),
-			"kusama" => Box::new(service::chain_spec::kusama_config()?),
 			"westend-dev" => Box::new(service::chain_spec::westend_development_config()?),
 			"westend-local" => Box::new(service::chain_spec::westend_local_testnet_config()?),
 			"westend-staging" => Box::new(service::chain_spec::westend_staging_testnet_config()?),
-			"rococo-staging" => Box::new(service::chain_spec::rococo_staging_testnet_config()?),
-			"rococo-local" => Box::new(service::chain_spec::rococo_local_testnet_config()?),
-			"rococo" => Box::new(service::chain_spec::rococo_config()?),
 			"wococo" => Box::new(service::chain_spec::wococo_config()?),
+			"wococo-dev" => Box::new(service::chain_spec::wococo_development_config()?),
 			path => {
 				let path = std::path::PathBuf::from(path);
 
@@ -140,7 +142,7 @@ fn set_default_ss58_version(spec: &Box<dyn service::ChainSpec>) {
 }
 
 const DEV_ONLY_ERROR_PATTERN: &'static str =
-	"can only use subcommand with --chain [polkadot-dev, kusama-dev, westend-dev], got ";
+	"can only use subcommand with --chain [polkadot-dev, kusama-dev, westend-dev, rococo-dev, wococo-dev], got ";
 
 fn ensure_dev(spec: &Box<dyn service::ChainSpec>) -> std::result::Result<(), String> {
 	if spec.is_dev() {
diff --git a/polkadot/node/service/src/chain_spec.rs b/polkadot/node/service/src/chain_spec.rs
index 0eba38ead14a443c6241bd2017cb283a5b7bc815..905238b2398b197d2b1e5041ace08f0f137e4bd3 100644
--- a/polkadot/node/service/src/chain_spec.rs
+++ b/polkadot/node/service/src/chain_spec.rs
@@ -1509,6 +1509,15 @@ fn westend_development_config_genesis(wasm_binary: &[u8]) -> westend::GenesisCon
 	)
 }
 
+fn rococo_development_config_genesis(wasm_binary: &[u8]) -> rococo_runtime::GenesisConfig {
+	rococo_testnet_genesis(
+		wasm_binary,
+		vec![get_authority_keys_from_seed("Alice")],
+		get_account_id_from_seed::<sr25519::Public>("Alice"),
+		None,
+	)
+}
+
 /// Polkadot development config (single validator Alice)
 pub fn polkadot_development_config() -> Result<PolkadotChainSpec, String> {
 	let wasm_binary = polkadot::WASM_BINARY.ok_or("Polkadot development wasm not available")?;
@@ -1560,6 +1569,49 @@ pub fn westend_development_config() -> Result<WestendChainSpec, String> {
 	))
 }
 
+/// Rococo development config (single validator Alice)
+pub fn rococo_development_config() -> Result<RococoChainSpec, String> {
+	let wasm_binary = rococo::WASM_BINARY.ok_or("Rococo development wasm not available")?;
+
+	Ok(RococoChainSpec::from_genesis(
+		"Development",
+		"rococo_dev",
+		ChainType::Development,
+		move || RococoGenesisExt {
+			runtime_genesis_config: rococo_development_config_genesis(wasm_binary),
+			// Use 1 minute session length.
+			session_length_in_blocks: Some(10),
+		},
+		vec![],
+		None,
+		Some(DEFAULT_PROTOCOL_ID),
+		None,
+		Default::default(),
+	))
+}
+
+/// Wococo development config (single validator Alice)
+pub fn wococo_development_config() -> Result<RococoChainSpec, String> {
+	const WOCOCO_DEV_PROTOCOL_ID: &str = "woco";
+	let wasm_binary = rococo::WASM_BINARY.ok_or("Wococo development wasm not available")?;
+
+	Ok(RococoChainSpec::from_genesis(
+		"Development",
+		"wococo_dev",
+		ChainType::Development,
+		move || RococoGenesisExt {
+			runtime_genesis_config: rococo_development_config_genesis(wasm_binary),
+			// Use 1 minute session length.
+			session_length_in_blocks: Some(10),
+		},
+		vec![],
+		None,
+		Some(WOCOCO_DEV_PROTOCOL_ID),
+		None,
+		Default::default(),
+	))
+}
+
 fn polkadot_local_testnet_genesis(wasm_binary: &[u8]) -> polkadot::GenesisConfig {
 	polkadot_testnet_genesis(
 		wasm_binary,