diff --git a/lib/binding_web/exports.json b/lib/binding_web/exports.json
index e0b3f718..b51a4cb3 100644
--- a/lib/binding_web/exports.json
+++ b/lib/binding_web/exports.json
@@ -2,6 +2,7 @@
   "_calloc",
   "_free",
   "_malloc",
+  "_realloc",
 
   "__ZNKSt3__212basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEE4copyEPcmm",
   "__ZNKSt3__220__vector_base_commonILb1EE20__throw_length_errorEv",