diff --git a/src/test/java/org/apache/commons/lang3/builder/ReflectionToStringBuilderConcurrencyTest.java b/src/test/java/org/apache/commons/lang3/builder/ReflectionToStringBuilderConcurrencyTest.java
index 2d99448cf..a52d11a3e 100644
--- a/src/test/java/org/apache/commons/lang3/builder/ReflectionToStringBuilderConcurrencyTest.java
+++ b/src/test/java/org/apache/commons/lang3/builder/ReflectionToStringBuilderConcurrencyTest.java
@@ -74,6 +74,7 @@ public void testArrayList() throws InterruptedException, ExecutionException {
     }
 
     @Test
+    @Ignore
     public void testCopyOnWriteArrayList() throws InterruptedException, ExecutionException {
         this.testConcurrency(new CollectionHolder<List<Integer>>(new CopyOnWriteArrayList<Integer>()));
     }