diff --git a/rust-runtime/aws-smithy-http-client/src/client.rs b/rust-runtime/aws-smithy-http-client/src/client.rs
index c15bbf216d75656889a004c83926c40b1774a2ab..2c5fc0902be8b09d9f171a89f3b775d2ef51e4a6 100644
--- a/rust-runtime/aws-smithy-http-client/src/client.rs
+++ b/rust-runtime/aws-smithy-http-client/src/client.rs
@@ -714,7 +714,7 @@ where
 }
 
 #[allow(dead_code)]
-pub(crate) fn build_with_tcp_conn_fn<C, F>(
+pub fn build_with_tcp_conn_fn<C, F>(
     client_builder: Option<hyper_util::client::legacy::Builder>,
     tcp_connector_fn: F,
 ) -> SharedHttpClient
diff --git a/rust-runtime/aws-smithy-http-client/src/lib.rs b/rust-runtime/aws-smithy-http-client/src/lib.rs
index 145f6468681d474f237b9c9cf05d53b17f5df84c..29137930c0474fcf40ed4f32c501f31724644441 100644
--- a/rust-runtime/aws-smithy-http-client/src/lib.rs
+++ b/rust-runtime/aws-smithy-http-client/src/lib.rs
@@ -43,7 +43,7 @@ pub mod hyper_014 {
 #[cfg(feature = "default-client")]
 pub(crate) mod client;
 #[cfg(feature = "default-client")]
-pub use client::{default_connector, tls, Builder, Connector, ConnectorBuilder};
+pub use client::{default_connector, tls, Builder, Connector, ConnectorBuilder, build_with_tcp_conn_fn};
 
 #[cfg(feature = "test-util")]
 pub mod test_util;