diff --git a/graal-js/src/com.oracle.truffle.js/src/com/oracle/truffle/js/runtime/builtins/wasm/JSWebAssemblyMemory.java b/graal-js/src/com.oracle.truffle.js/src/com/oracle/truffle/js/runtime/builtins/wasm/JSWebAssemblyMemory.java
index 874fc19b820..e015dfce441 100644
--- a/graal-js/src/com.oracle.truffle.js/src/com/oracle/truffle/js/runtime/builtins/wasm/JSWebAssemblyMemory.java
+++ b/graal-js/src/com.oracle.truffle.js/src/com/oracle/truffle/js/runtime/builtins/wasm/JSWebAssemblyMemory.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2020, 2024, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2020, 2025, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * The Universal Permissive License (UPL), Version 1.0
@@ -62,7 +62,7 @@
 import com.oracle.truffle.js.runtime.objects.JSObjectUtil;
 
 public class JSWebAssemblyMemory extends JSNonProxy implements JSConstructorFactory.Default, PrototypeSupplier {
-    public static final int MAX_MEMORY_SIZE = 32767;
+    public static final int MAX_MEMORY_SIZE = 65536;
     public static final TruffleString CLASS_NAME = Strings.constant("Memory");
     public static final TruffleString PROTOTYPE_NAME = Strings.constant("Memory.prototype");