diff --git a/src/tests/junit/org/apache/tools/ant/taskdefs/ExecuteWatchdogTest.java b/src/tests/junit/org/apache/tools/ant/taskdefs/ExecuteWatchdogTest.java
index 1639e1b91..b5ef1e230 100644
--- a/src/tests/junit/org/apache/tools/ant/taskdefs/ExecuteWatchdogTest.java
+++ b/src/tests/junit/org/apache/tools/ant/taskdefs/ExecuteWatchdogTest.java
@@ -25,7 +25,7 @@ import java.util.stream.Collectors;
 import org.apache.tools.ant.util.JavaEnvUtils;
 import org.junit.Before;
 import org.junit.Test;
-import org.junit.internal.AssumptionViolatedException;
+import org.junit.AssumptionViolatedException;
 
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
diff --git a/src/tests/junit/org/apache/tools/ant/taskdefs/JavaTest.java b/src/tests/junit/org/apache/tools/ant/taskdefs/JavaTest.java
index 07025d0e7..093808506 100644
--- a/src/tests/junit/org/apache/tools/ant/taskdefs/JavaTest.java
+++ b/src/tests/junit/org/apache/tools/ant/taskdefs/JavaTest.java
@@ -37,7 +37,7 @@ import org.apache.tools.ant.util.TeeOutputStream;
 import org.junit.Before;
 import org.junit.Rule;
 import org.junit.Test;
-import org.junit.internal.AssumptionViolatedException;
+import org.junit.AssumptionViolatedException;
 import org.junit.rules.ExpectedException;
 
 import static org.hamcrest.Matchers.containsString;
diff --git a/src/tests/junit/org/apache/tools/ant/taskdefs/TestProcess.java b/src/tests/junit/org/apache/tools/ant/taskdefs/TestProcess.java
index a61ca3cb4..bd2db6673 100644
--- a/src/tests/junit/org/apache/tools/ant/taskdefs/TestProcess.java
+++ b/src/tests/junit/org/apache/tools/ant/taskdefs/TestProcess.java
@@ -18,7 +18,7 @@
 
 package org.apache.tools.ant.taskdefs;
 
-import org.junit.internal.AssumptionViolatedException;
+import org.junit.AssumptionViolatedException;
 
 /**
  * Interactive Testcase for Processdestroyer.
diff --git a/src/tests/junit/org/apache/tools/mail/MailMessageTest.java b/src/tests/junit/org/apache/tools/mail/MailMessageTest.java
index 805a66ba5..e00ddba68 100644
--- a/src/tests/junit/org/apache/tools/mail/MailMessageTest.java
+++ b/src/tests/junit/org/apache/tools/mail/MailMessageTest.java
@@ -36,7 +36,7 @@ import java.util.Vector;
 import org.apache.tools.ant.BuildException;
 import org.junit.Before;
 import org.junit.Test;
-import org.junit.internal.AssumptionViolatedException;
+import org.junit.AssumptionViolatedException;
 
 /**
  * JUnit testcases for org.apache.tools.mail.MailMessage.