diff --git a/pom.xml b/pom.xml
index a9e6bc9..844df3c 100644
--- a/pom.xml
+++ b/pom.xml
@@ -40,12 +40,12 @@
     <dependency>
       <groupId>com.google.guava</groupId>
       <artifactId>guava</artifactId>
-      <version>28.1-jre</version>
+      <version>32.0.0-jre</version>
     </dependency>
     <dependency>
       <groupId>ch.qos.logback</groupId>
       <artifactId>logback-classic</artifactId>
-      <version>1.2.3</version>
+      <version>1.2.13</version>
     </dependency>
     <!-- test dependencies -->
     <dependency>
@@ -56,7 +56,7 @@
     <dependency>
       <groupId>junit</groupId>
       <artifactId>junit</artifactId>
-      <version>4.11</version><!--$NO-MVN-MAN-VER$ -->
+      <version>4.13.1</version><!--$NO-MVN-MAN-VER$ -->
       <scope>test</scope>
     </dependency>