diff --git a/src/babashka/impl/classes.clj b/src/babashka/impl/classes.clj
index d314b9ba..3e652f9f 100644
--- a/src/babashka/impl/classes.clj
+++ b/src/babashka/impl/classes.clj
@@ -94,6 +94,7 @@
           java.io.BufferedWriter
           java.io.ByteArrayInputStream
           java.io.ByteArrayOutputStream
+          java.io.Closeable
           java.io.Console
           java.io.File
           java.io.FileFilter