1 files changed, 2 insertions, 2 deletions

diff --git a/embassy-usb/src/types.rs b/embassy-usb/src/types.rs
index c7a47f7e4..cb9fe2576 100644
--- a/embassy-usb/src/types.rs
+++ b/embassy-usb/src/types.rs
@@ -7,7 +7,7 @@
 pub struct InterfaceNumber(pub u8);
 
 impl InterfaceNumber {
-    pub(crate) fn new(index: u8) -> InterfaceNumber {
+    pub(crate) const fn new(index: u8) -> InterfaceNumber {
         InterfaceNumber(index)
     }
 }
@@ -25,7 +25,7 @@ impl From<InterfaceNumber> for u8 {
 pub struct StringIndex(pub u8);
 
 impl StringIndex {
-    pub(crate) fn new(index: u8) -> StringIndex {
+    pub(crate) const fn new(index: u8) -> StringIndex {
         StringIndex(index)
     }
 }