diff --git a/src/main/gwt/com/samskivert/super/java/io/Reader.java b/src/main/gwt/com/samskivert/super/java/io/Reader.java
index 2c05663..198b75a 100644
--- a/src/main/gwt/com/samskivert/super/java/io/Reader.java
+++ b/src/main/gwt/com/samskivert/super/java/io/Reader.java
@@ -9,4 +9,5 @@ package java.io;
 public abstract class Reader
 {
     public abstract int read () throws IOException;
+    public abstract void close () throws IOException;
 }