diff --git a/log4j-core-test/pom.xml b/log4j-core-test/pom.xml
index 34ccfc0453b..79f4eb5ebad 100644
--- a/log4j-core-test/pom.xml
+++ b/log4j-core-test/pom.xml
@@ -64,7 +64,7 @@
     <!-- Additional version of LMAX Disruptor to test -->
     <disruptor4.version>4.0.0</disruptor4.version>
     <json-unit.version>2.40.1</json-unit.version>
-    <bouncycastle.version>1.83</bouncycastle.version>
+    <bouncycastle.version>1.84</bouncycastle.version>
   </properties>
 
   <dependencyManagement>