diff --git a/spring-test/src/test/java/org/springframework/test/context/junit/jupiter/event/ParallelApplicationEventsIntegrationTests.java b/spring-test/src/test/java/org/springframework/test/context/junit/jupiter/event/ParallelApplicationEventsIntegrationTests.java
index 2b3d18b682..4dda66edfe 100644
--- a/spring-test/src/test/java/org/springframework/test/context/junit/jupiter/event/ParallelApplicationEventsIntegrationTests.java
+++ b/spring-test/src/test/java/org/springframework/test/context/junit/jupiter/event/ParallelApplicationEventsIntegrationTests.java
@@ -77,7 +77,7 @@ class ParallelApplicationEventsIntegrationTests {
 		assertThat(testNames).hasSize(10);
 
 		// Skip the following assertion entirely if the thread count is too low.
-		if (ManagementFactory.getThreadMXBean().getThreadCount() >= 2) {
+		if (ManagementFactory.getThreadMXBean().getThreadCount() >= 4) {
 			// There are probably 10 different thread names on a developer's machine,
 			// but we really just want to assert that at least two different threads
 			// were used, since the CI server often has fewer threads available.