diff --git a/pom.xml b/pom.xml
index e4d2a73..2d30ee5 100644
--- a/pom.xml
+++ b/pom.xml
@@ -60,8 +60,8 @@
             <!-- SELECTED LOG4J versions works with Java 8: 1.60 or 1.63 -->
             <dependency>
                 <groupId>org.bouncycastle</groupId>
-                <artifactId>bcprov-jdk15on</artifactId>
-                <version>1.70</version>
+                <artifactId>bcprov-jdk18on</artifactId>
+                <version>1.80</version>
                 <scope>compile</scope>
             </dependency>
             <dependency>
@@ -76,7 +76,7 @@
             <dependency>
                 <groupId>org.apache.logging.log4j</groupId>
                 <artifactId>log4j-core</artifactId>
-                <version>2.19.0</version>
+                <version>2.24.3</version>
                 <scope>compile</scope>
             </dependency>