diff --git a/src/babashka/impl/classes.clj b/src/babashka/impl/classes.clj
index 1cbdad93..7ec8f42a 100644
--- a/src/babashka/impl/classes.clj
+++ b/src/babashka/impl/classes.clj
@@ -460,6 +460,7 @@
           java.util.concurrent.Callable
           java.util.concurrent.CancellationException
           java.util.concurrent.CompletionException
+          java.util.concurrent.CountDownLatch
           java.util.concurrent.ExecutionException
           java.util.concurrent.Executor
           java.util.concurrent.ExecutorService