diff --git a/spring-boot-project/spring-boot-tools/spring-boot-test-support/src/main/java/org/springframework/boot/testsupport/classpath/ModifiedClassPathExtension.java b/spring-boot-project/spring-boot-tools/spring-boot-test-support/src/main/java/org/springframework/boot/testsupport/classpath/ModifiedClassPathExtension.java
index a53880fda17..57ab4bbad34 100644
--- a/spring-boot-project/spring-boot-tools/spring-boot-test-support/src/main/java/org/springframework/boot/testsupport/classpath/ModifiedClassPathExtension.java
+++ b/spring-boot-project/spring-boot-tools/spring-boot-test-support/src/main/java/org/springframework/boot/testsupport/classpath/ModifiedClassPathExtension.java
@@ -46,7 +46,7 @@ import org.springframework.util.ReflectionUtils;
  *
  * @author Christoph Dreis
  */
-public class ModifiedClassPathExtension implements InvocationInterceptor {
+class ModifiedClassPathExtension implements InvocationInterceptor {
 
 	@Override
 	public void interceptBeforeAllMethod(Invocation<Void> invocation,