diff --git a/solr/core/src/test/org/apache/solr/cloud/ConcurrentCreateRoutedAliasTest.java b/solr/core/src/test/org/apache/solr/cloud/ConcurrentCreateRoutedAliasTest.java
index a76a6ff7532..2777e6640bf 100644
--- a/solr/core/src/test/org/apache/solr/cloud/ConcurrentCreateRoutedAliasTest.java
+++ b/solr/core/src/test/org/apache/solr/cloud/ConcurrentCreateRoutedAliasTest.java
@@ -89,7 +89,7 @@ public class ConcurrentCreateRoutedAliasTest extends SolrTestCaseJ4 {
     // that this test wouldn't spuriously fail more than once a year. If that's true users should never see
     // an issue in the wild unless they are doing something we probably don't want to support anyway
 
-    final CreateRoutedAliasThread[] threads = new CreateRoutedAliasThread[50];
+    final CreateRoutedAliasThread[] threads = new CreateRoutedAliasThread[4];
     int numStart = num;
     for (; num < threads.length + numStart; num++) {
       final String aliasName = "testAlias" + num;