diff --git a/libs/bump_allocator/src/lib.rs b/libs/bump_allocator/src/lib.rs
index 3868aecb..90ffe374 100644
--- a/libs/bump_allocator/src/lib.rs
+++ b/libs/bump_allocator/src/lib.rs
@@ -35,7 +35,7 @@ impl BumpAllocator {
     /// Allocates a block of memory with the given size and alignment.
     fn allocate(&mut self, size: usize, align: usize) -> Option<*mut u8> {
         let alloc_start = align_up(self.next, align);
-        let alloc_end = alloc_start + size;
+        let alloc_end = alloc_start.saturating_add(size);
 
         if alloc_end <= self.heap_start + self.heap_size {
             self.next = alloc_end;