diff --git a/README.md b/README.md
index 4c571f27..2c199e2b 100644
--- a/README.md
+++ b/README.md
@@ -155,6 +155,9 @@ API
  * **structref**: `Type`<br />
   Structure reference.  🦄
 
+ * **arrayref**: `Type`<br />
+  Array reference.  🦄
+
  * **stringref**: `Type`<br />
   String reference.  🦄
 
diff --git a/index.d.ts b/index.d.ts
index b2798b12..82f74d80 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -14,6 +14,7 @@ declare module binaryen {
   const eqref: Type;
   const i31ref: Type;
   const structref: Type;
+  const arrayref: Type;
   const stringref: Type;
   const unreachable: Type;
   const auto: Type;