diff --git a/src/class.rs b/src/class.rs
index d6041b7..61439de 100644
--- a/src/class.rs
+++ b/src/class.rs
@@ -20,18 +20,18 @@ use usb_device::{
 };
 
 /// Packet-level implementation of the CTAPHID protocol.
-pub struct CtapHid<'alloc, Bus: UsbBus> {
+pub struct CtapHid<'alloc, 'pipe, Bus: UsbBus> {
     interface: InterfaceNumber,
-    pipe: Pipe<'alloc, Bus>,
+    pipe: Pipe<'alloc, 'pipe, Bus>,
 }
 
-impl<'alloc, Bus> CtapHid<'alloc, Bus>
+impl<'alloc, 'pipe, Bus> CtapHid<'alloc, 'pipe, Bus>
 where
     Bus: UsbBus,
 {
     pub fn new(
         allocate: &'alloc UsbBusAllocator<Bus>,
-        interchange: Requester<'static>,
+        interchange: Requester<'pipe>,
         initial_milliseconds: u32,
     ) -> Self {
         // 64 bytes, interrupt endpoint polled every 5 milliseconds
@@ -78,7 +78,7 @@ where
     }
 
     // implement DerefMut<Target = Pipe> instead
-    pub fn pipe(&mut self) -> &mut Pipe<'alloc, Bus> {
+    pub fn pipe(&mut self) -> &mut Pipe<'alloc, 'pipe, Bus> {
         &mut self.pipe
     }
 
@@ -184,7 +184,7 @@ pub enum ClassRequests {
     SetProtocol = 0xB,
 }
 
-impl<'alloc, Bus> UsbClass<Bus> for CtapHid<'alloc, Bus>
+impl<'alloc, 'pipe, Bus> UsbClass<Bus> for CtapHid<'alloc, 'pipe, Bus>
 where
     Bus: UsbBus,
 {
diff --git a/src/pipe.rs b/src/pipe.rs
index 0268551..08e772f 100644
--- a/src/pipe.rs
+++ b/src/pipe.rs
@@ -121,12 +121,12 @@ pub enum State {
     Sending((Response, MessageState)),
 }
 
-pub struct Pipe<'alloc, Bus: UsbBus> {
+pub struct Pipe<'alloc, 'pipe, Bus: UsbBus> {
     read_endpoint: EndpointOut<'alloc, Bus>,
     write_endpoint: EndpointIn<'alloc, Bus>,
     state: State,
 
-    interchange: Requester<'static>,
+    interchange: Requester<'pipe>,
 
     // shared between requests and responses, due to size
     buffer: [u8; MESSAGE_SIZE],
@@ -149,7 +149,7 @@ pub struct Pipe<'alloc, Bus: UsbBus> {
     pub(crate) version: crate::Version,
 }
 
-impl<'alloc, Bus: UsbBus> Pipe<'alloc, Bus> {
+impl<'alloc, 'pipe, Bus: UsbBus> Pipe<'alloc, 'pipe, Bus> {
     // pub fn borrow_mut_authenticator(&mut self) -> &mut Authenticator {
     //     &mut self.authenticator
     // }
@@ -157,7 +157,7 @@ impl<'alloc, Bus: UsbBus> Pipe<'alloc, Bus> {
     pub(crate) fn new(
         read_endpoint: EndpointOut<'alloc, Bus>,
         write_endpoint: EndpointIn<'alloc, Bus>,
-        interchange: Requester<'static>,
+        interchange: Requester<'pipe>,
         initial_milliseconds: u32,
     ) -> Self {
         Self {