diff --git a/src/column_family.rs b/src/column_family.rs
index 2e0c60714..98e0808fe 100644
--- a/src/column_family.rs
+++ b/src/column_family.rs
@@ -146,6 +146,8 @@ impl<'a> AsColumnFamilyRef for Arc<BoundColumnFamily<'a>> {
 }
 
 unsafe impl Send for ColumnFamily {}
+unsafe impl Sync for ColumnFamily {}
 unsafe impl Send for UnboundColumnFamily {}
 unsafe impl Sync for UnboundColumnFamily {}
 unsafe impl<'a> Send for BoundColumnFamily<'a> {}
+unsafe impl<'a> Sync for BoundColumnFamily<'a> {}