diff --git a/src/builtin_cells.rs b/src/builtin_cells.rs
index 289b662..d8de9ae 100644
--- a/src/builtin_cells.rs
+++ b/src/builtin_cells.rs
@@ -53,6 +53,8 @@ fn make_binop_callable(name: &str, celltype: &'static str) -> Callable {
 pub fn get_builtins() -> Vec<Callable> {
     vec![
         make_binop_callable("and", "$and"),
+        make_binop_callable("or", "$or"),
         make_binop_callable("xor", "$xor"),
+        make_binop_callable("xnor", "$xnor"),
     ]
 }