diff --git a/internal/config_specification.toml b/internal/config_specification.toml
index 75aad9b..c0bc8e0 100644
--- a/internal/config_specification.toml
+++ b/internal/config_specification.toml
@@ -58,7 +58,7 @@ doc = "JSONRPC authentication cookie file (default: ~/.bitcoin/.cookie)"
 name = "network"
 type = "crate::config::BitcoinNetwork"
 convert_into = "::bitcoin::Network"
-doc = "Select Bitcoin network type ('bitcoin', 'testnet', 'regtest' or 'signet')"
+doc = "Select Bitcoin network type ('bitcoin', 'testnet', 'testnet4', 'regtest' or 'signet')"
 default = "Default::default()"
 
 [[param]]
diff --git a/src/config.rs b/src/config.rs
index e7499e0..430e9ae 100644
--- a/src/config.rs
+++ b/src/config.rs
@@ -111,7 +111,10 @@ impl FromStr for BitcoinNetwork {
 
 impl ::configure_me::parse_arg::ParseArgFromStr for BitcoinNetwork {
     fn describe_type<W: fmt::Write>(mut writer: W) -> fmt::Result {
-        write!(writer, "either 'bitcoin', 'testnet', 'regtest' or 'signet'")
+        write!(
+            writer,
+            "either 'bitcoin', 'testnet', 'testnet4', 'regtest' or 'signet'"
+        )
     }
 }
 
@@ -205,6 +208,7 @@ impl Config {
         let db_subdir = match config.network {
             Network::Bitcoin => "bitcoin",
             Network::Testnet => "testnet",
+            Network::Testnet4 => "testnet4",
             Network::Regtest => "regtest",
             Network::Signet => "signet",
             unsupported => unsupported_network(unsupported),
@@ -215,6 +219,7 @@ impl Config {
         let default_daemon_rpc_port = match config.network {
             Network::Bitcoin => 8332,
             Network::Testnet => 18332,
+            Network::Testnet4 => 48332,
             Network::Regtest => 18443,
             Network::Signet => 38332,
             unsupported => unsupported_network(unsupported),
@@ -222,6 +227,7 @@ impl Config {
         let default_daemon_p2p_port = match config.network {
             Network::Bitcoin => 8333,
             Network::Testnet => 18333,
+            Network::Testnet4 => 48333,
             Network::Regtest => 18444,
             Network::Signet => 38333,
             unsupported => unsupported_network(unsupported),
@@ -229,6 +235,7 @@ impl Config {
         let default_electrum_port = match config.network {
             Network::Bitcoin => 50001,
             Network::Testnet => 60001,
+            Network::Testnet4 => 40001,
             Network::Regtest => 60401,
             Network::Signet => 60601,
             unsupported => unsupported_network(unsupported),
@@ -236,6 +243,7 @@ impl Config {
         let default_monitoring_port = match config.network {
             Network::Bitcoin => 4224,
             Network::Testnet => 14224,
+            Network::Testnet4 => 44224,
             Network::Regtest => 24224,
             Network::Signet => 34224,
             unsupported => unsupported_network(unsupported),
@@ -283,6 +291,7 @@ impl Config {
         match config.network {
             Network::Bitcoin => (),
             Network::Testnet => config.daemon_dir.push("testnet3"),
+            Network::Testnet4 => config.daemon_dir.push("testnet4"),
             Network::Regtest => config.daemon_dir.push("regtest"),
             Network::Signet => config.daemon_dir.push("signet"),
             unsupported => unsupported_network(unsupported),