diff --git a/support/guice/src/test/java/org/apache/shiro/guice/web/ShiroWebModuleTest.java b/support/guice/src/test/java/org/apache/shiro/guice/web/ShiroWebModuleTest.java
index 1c0416896d..8472cf4f69 100644
--- a/support/guice/src/test/java/org/apache/shiro/guice/web/ShiroWebModuleTest.java
+++ b/support/guice/src/test/java/org/apache/shiro/guice/web/ShiroWebModuleTest.java
@@ -47,6 +47,7 @@
 import org.junit.jupiter.api.Assumptions;
 import org.junit.jupiter.api.Tag;
 import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.parallel.Isolated
 
 import javax.inject.Named;
 import javax.servlet.Filter;
@@ -76,6 +77,7 @@
 import static org.junit.jupiter.api.Assertions.assertTrue;
 
 
+@Isolated("System property usage")
 public class ShiroWebModuleTest {