diff --git a/pom.xml b/pom.xml
index 7f1fabe..f522e3e 100644
--- a/pom.xml
+++ b/pom.xml
@@ -61,7 +61,7 @@
   <properties>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     <jackson.version>2.9.2</jackson.version>
-    <slf4j.version>1.7.26</slf4j.version>
+    <slf4j.version>1.7.30</slf4j.version>
     <ribbon.version>2.2.2</ribbon.version>
     <junit-jupiter.version>5.5.2</junit-jupiter.version>
   </properties>
@@ -125,7 +125,7 @@
     <dependency>
       <groupId>dnsjava</groupId>
       <artifactId>dnsjava</artifactId>
-      <version>2.1.8</version>
+      <version>3.0.2</version>
     </dependency>
 
     <dependency>