diff --git a/config/src/test/java/org/springframework/security/config/annotation/web/WebSecurityConfigurerAdapterPowermockTests.java b/config/src/test/java/org/springframework/security/config/annotation/web/WebSecurityConfigurerAdapterPowermockTests.java
index 39616b2706..c35cdb39fe 100644
--- a/config/src/test/java/org/springframework/security/config/annotation/web/WebSecurityConfigurerAdapterPowermockTests.java
+++ b/config/src/test/java/org/springframework/security/config/annotation/web/WebSecurityConfigurerAdapterPowermockTests.java
@@ -59,7 +59,7 @@ import static org.springframework.test.web.servlet.request.MockMvcRequestBuilder
  */
 @RunWith(PowerMockRunner.class)
 @PrepareForTest({ SpringFactoriesLoader.class, WebAsyncManager.class })
-@PowerMockIgnore({ "org.w3c.dom.*", "org.xml.sax.*", "org.apache.xerces.*", "javax.xml.parsers.*" })
+@PowerMockIgnore({ "org.w3c.dom.*", "org.xml.sax.*", "org.apache.xerces.*", "javax.xml.parsers.*", "javax.xml.transform.*" })
 public class WebSecurityConfigurerAdapterPowermockTests {
 	ConfigurableWebApplicationContext context;