diff --git a/lib/binding_web/exports.json b/lib/binding_web/exports.json
index ad7a6987..bc794480 100644
--- a/lib/binding_web/exports.json
+++ b/lib/binding_web/exports.json
@@ -18,10 +18,13 @@
   "___cxa_atexit",
   "_abort",
   "_isalpha",
+  "_isspace",
   "_iswalnum",
   "_iswalpha",
+  "_iswblank",
   "_iswdigit",
   "_iswlower",
+  "_iswupper",
   "_iswspace",
   "_memchr",
   "_memcmp",
@@ -31,7 +34,9 @@
   "_strlen",
   "_strcmp",
   "_strncpy",
+  "_tolower",
   "_towupper",
+  "_stderr",
 
   "_ts_init",
   "_ts_language_field_count",