diff --git a/jaxb-plugins-parent/tests/gh-663/test/pom.xml b/jaxb-plugins-parent/tests/gh-663/test/pom.xml
index 2efa1991a..1ab5b8f40 100644
--- a/jaxb-plugins-parent/tests/gh-663/test/pom.xml
+++ b/jaxb-plugins-parent/tests/gh-663/test/pom.xml
@@ -15,7 +15,7 @@
     <dependency>
       <groupId>org.bouncycastle</groupId>
       <artifactId>bcpg-jdk18on</artifactId>
-      <version>1.81</version>
+      <version>1.84</version>
     </dependency>
   </dependencies>
 </project>