diff --git a/Cargo.lock b/Cargo.lock
index 36e69e9..06f0650 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -239,7 +239,7 @@ checksum = "613afe47fcd5fac7ccf1db93babcb082c5994d996f20b8b159f2ad1658eb5724"
 
 [[package]]
 name = "charge-controller-supervisor"
-version = "1.9.9-pre-19"
+version = "1.9.9-pre-20"
 dependencies = [
  "chrono",
  "clap",
@@ -2203,7 +2203,7 @@ dependencies = [
 
 [[package]]
 name = "tesla-charge-controller"
-version = "1.9.9-pre-19"
+version = "1.9.9-pre-20"
 dependencies = [
  "chrono",
  "clap",
diff --git a/Cargo.toml b/Cargo.toml
index 0b3cc21..fca7975 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -4,7 +4,7 @@ default-members = ["charge-controller-supervisor"]
 resolver = "2"
 
 [workspace.package]
-version = "1.9.9-pre-19"
+version = "1.9.9-pre-20"
 
 [workspace.lints.clippy]
 pedantic = "warn"
diff --git a/charge-controller-supervisor/src/tristar.rs b/charge-controller-supervisor/src/tristar.rs
index e0bce38..a3da0eb 100644
--- a/charge-controller-supervisor/src/tristar.rs
+++ b/charge-controller-supervisor/src/tristar.rs
@@ -293,7 +293,8 @@ impl Tristar {
                 tokio_modbus::client::rtu::attach_slave(modbus_serial, slave)
             }
             crate::config::Transport::Tcp { ip, port } => {
-                tokio_modbus::client::tcp::connect((*ip, *port).into()).await?
+                let modbus_tcp = tokio::net::TcpStream::connect((*ip, *port)).await?;
+                tokio_modbus::client::tcp::attach_slave(modbus_tcp, slave)
             }
         };