diff --git a/libs/libfdt/src/lib.rs b/libs/libfdt/src/lib.rs
index 8ea9cd9..5883567 100644
--- a/libs/libfdt/src/lib.rs
+++ b/libs/libfdt/src/lib.rs
@@ -624,7 +624,7 @@
     /// # Safety
     ///
     /// It is undefined to call this function on a slice that does not contain a valid device tree.
-    pub unsafe fn unchecked_from_slice(fdt: &[u8]) -> &Self {
+    pub const unsafe fn unchecked_from_slice(fdt: &[u8]) -> &Self {
         let self_ptr = fdt as *const _ as *const _;
         // SAFETY: The pointer is non-null, dereferenceable, and points to allocated memory.
         unsafe { &*self_ptr }