diff --git a/lib/pom.xml b/lib/pom.xml
index 71ce513b..1a014a2c 100644
--- a/lib/pom.xml
+++ b/lib/pom.xml
@@ -59,7 +59,7 @@
     <dependency>
       <groupId>org.bouncycastle</groupId>
       <artifactId>bcprov-jdk18on</artifactId>
-      <version>1.83</version>
+      <version>1.84</version>
     </dependency>
     <dependency>
       <groupId>de.siegmar</groupId>