diff --git a/wasm-rpc-stubgen/src/commands/composition.rs b/wasm-rpc-stubgen/src/commands/composition.rs
index 256b4763..4746b64a 100644
--- a/wasm-rpc-stubgen/src/commands/composition.rs
+++ b/wasm-rpc-stubgen/src/commands/composition.rs
@@ -20,7 +20,7 @@ pub async fn compose(
 
     let mut graph = CompositionGraph::new();
 
-    let socket = fs::read_to_string(source_wasm).context("Failed to read socket component")?;
+    let socket = fs::read(source_wasm).context("Failed to read socket component")?;
 
     let socket = Package::from_bytes("socket", None, socket, graph.types_mut())?;
     let socket = graph.register_package(socket)?;
diff --git a/wasm-rpc-stubgen/src/fs.rs b/wasm-rpc-stubgen/src/fs.rs
index 73b502f8..42048f4b 100644
--- a/wasm-rpc-stubgen/src/fs.rs
+++ b/wasm-rpc-stubgen/src/fs.rs
@@ -81,6 +81,11 @@ pub fn read_to_string<P: AsRef<Path>>(path: P) -> anyhow::Result<String> {
         .with_context(|| anyhow!("Failed to read to string, file: {}", path.display()))
 }
 
+pub fn read<P: AsRef<Path>>(path: P) -> anyhow::Result<Vec<u8>> {
+    let path = path.as_ref();
+    std::fs::read(path).with_context(|| anyhow!("Failed to read file: {}", path.display()))
+}
+
 // Creates all missing parent directories if necessary and writes str to path.
 pub fn write_str<P: AsRef<Path>, S: AsRef<str>>(path: P, str: S) -> anyhow::Result<()> {
     let path = PathExtra(path);