--- a/lib/binding_web/exports.json
+++ b/lib/binding_web/exports.json
@@ -3,6 +3,8 @@
   "_free",
   "_malloc",

+  "_realloc",
+
   "__ZNKSt3__212basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEE4copyEPcmm",
   "__ZNKSt3__220__vector_base_commonILb1EE20__throw_length_errorEv",
   "__ZNSt3__212basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEE6__initEPKcm",