diff --git a/spring-test/src/test/java/org/springframework/test/context/junit/jupiter/transaction/TimedTransactionalSpringExtensionTests.java b/spring-test/src/test/java/org/springframework/test/context/junit/jupiter/transaction/TimedTransactionalSpringExtensionTests.java
index 27837936ad..a56fa8e91e 100644
--- a/spring-test/src/test/java/org/springframework/test/context/junit/jupiter/transaction/TimedTransactionalSpringExtensionTests.java
+++ b/spring-test/src/test/java/org/springframework/test/context/junit/jupiter/transaction/TimedTransactionalSpringExtensionTests.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2020 the original author or authors.
+ * Copyright 2002-2021 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -67,7 +67,7 @@ class TimedTransactionalSpringExtensionTests {
 			event(test("WithExceededJUnitJupiterTimeout"),
 				finishedWithFailure(
 					instanceOf(TimeoutException.class),
-					message(msg -> msg.endsWith("timed out after 50 milliseconds")))));
+					message(msg -> msg.endsWith("timed out after 10 milliseconds")))));
 	}
 
 
@@ -83,10 +83,10 @@ class TimedTransactionalSpringExtensionTests {
 		}
 
 		@Test
-		@Timeout(value = 50, unit = TimeUnit.MILLISECONDS)
+		@Timeout(value = 10, unit = TimeUnit.MILLISECONDS)
 		void transactionalWithExceededJUnitJupiterTimeout() throws Exception {
 			assertThatTransaction().isActive();
-			Thread.sleep(100);
+			Thread.sleep(200);
 		}
 
 		@Test
@@ -97,11 +97,11 @@ class TimedTransactionalSpringExtensionTests {
 		}
 
 		@Test
-		@Timeout(value = 50, unit = TimeUnit.MILLISECONDS)
+		@Timeout(value = 10, unit = TimeUnit.MILLISECONDS)
 		@Transactional(propagation = Propagation.NOT_SUPPORTED)
 		void notTransactionalWithExceededJUnitJupiterTimeout() throws Exception {
 			assertThatTransaction().isNotActive();
-			Thread.sleep(100);
+			Thread.sleep(200);
 		}
 
 
diff --git a/spring-test/src/test/java/org/springframework/test/context/junit4/TimedSpringRunnerTests.java b/spring-test/src/test/java/org/springframework/test/context/junit4/TimedSpringRunnerTests.java
index 2daff9246a..1a204d3616 100644
--- a/spring-test/src/test/java/org/springframework/test/context/junit4/TimedSpringRunnerTests.java
+++ b/spring-test/src/test/java/org/springframework/test/context/junit4/TimedSpringRunnerTests.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2019 the original author or authors.
+ * Copyright 2002-2021 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -76,14 +76,14 @@ public class TimedSpringRunnerTests {
 		}
 
 		// Should Fail due to timeout.
-		@Test(timeout = 100)
+		@Test(timeout = 10)
 		public void jUnitTimeoutWithSleep() throws Exception {
 			Thread.sleep(200);
 		}
 
 		// Should Fail due to timeout.
 		@Test
-		@Timed(millis = 100)
+		@Timed(millis = 10)
 		public void springTimeoutWithSleep() throws Exception {
 			Thread.sleep(200);
 		}
@@ -97,7 +97,7 @@ public class TimedSpringRunnerTests {
 
 		// Should Fail due to timeout.
 		@Test
-		@MetaTimedWithOverride(millis = 100)
+		@MetaTimedWithOverride(millis = 10)
 		public void springTimeoutWithSleepAndMetaAnnotationAndOverride() throws Exception {
 			Thread.sleep(200);
 		}
@@ -110,7 +110,7 @@ public class TimedSpringRunnerTests {
 		}
 	}
 
-	@Timed(millis = 100)
+	@Timed(millis = 10)
 	@Retention(RetentionPolicy.RUNTIME)
 	private static @interface MetaTimed {
 	}