diff --git a/pom.xml b/pom.xml
index 0e708a9502..cf78273abf 100644
--- a/pom.xml
+++ b/pom.xml
@@ -919,7 +919,7 @@
     <guice.version>4.2.3</guice.version>
     <jaxb.version>2.3.3</jaxb.version>
     <hibernate-validator.version>6.1.5.Final</hibernate-validator.version>
-    <bouncycastle.version>1.65</bouncycastle.version>
+    <bouncycastle.version>1.66</bouncycastle.version>
 
     <!-- event bus -->
     <legman.version>1.6.2</legman.version>