diff --git a/src/sharedptr.rs b/src/sharedptr.rs
index 8750384..e363536 100644
--- a/src/sharedptr.rs
+++ b/src/sharedptr.rs
@@ -7,6 +7,7 @@ use crate::allocator::ALLOCATOR;
 pub struct SharedPtr<const N: usize>(*mut u8);
 
 unsafe impl<const N: usize> Send for SharedPtr<N> {}
+unsafe impl<const N: usize> Sync for SharedPtr<N> {}
 
 impl<const N: usize> SharedPtr<N> {
     pub fn new() -> Option<Self> {