diff --git a/rockusb/Cargo.toml b/rockusb/Cargo.toml
index b58d20b..629bb66 100644
--- a/rockusb/Cargo.toml
+++ b/rockusb/Cargo.toml
@@ -20,7 +20,7 @@ crc = "3.0.1"
 fastrand = "2"
 num_enum = "0.7"
 thiserror = "1.0.38"
-rusb = { version = "0.9.1", optional = true }
+rusb = { version = "0.9.4", optional = true }
 nusb = { version = "0.1.10", optional = true }
 futures = { version = "0.3.31", optional = true }
 
diff --git a/rockusb/src/libusb.rs b/rockusb/src/libusb.rs
index 43d86ea..68b8c8b 100644
--- a/rockusb/src/libusb.rs
+++ b/rockusb/src/libusb.rs
@@ -84,7 +84,7 @@ pub struct Transport {
 
 impl Transport {
     fn new(
-        mut handle: DeviceHandle<rusb::GlobalContext>,
+        handle: DeviceHandle<rusb::GlobalContext>,
         interface: u8,
         ep_in: u8,
         ep_out: u8,