diff --git a/build/assets/stdlib.h b/build/assets/stdlib.h
index c3516a5..63587aa 100644
--- a/build/assets/stdlib.h
+++ b/build/assets/stdlib.h
@@ -1,6 +1,6 @@
 #pragma once
-#include <stdint.h>
 #include <stdbool.h>
+#include <stdint.h>
 extern unsigned char __heap_base;
 
 #define IMPORT(name) __attribute__((import_module("env"), import_name(#name)))
@@ -12,6 +12,7 @@ typedef uint32_t size_t;
 
 EXPORT(malloc) void* malloc(size_t);
 EXPORT(free) void free(void*);
+EXPORT(realloc) void* realloc(void*, size_t);
 
 void* memset(void* s, uint8_t c, uint32_t n);
 void* memcpy(void* dest, const void* src, uint32_t n);