diff --git a/pom.xml b/pom.xml
index 774d8c80..0f3f963c 100644
--- a/pom.xml
+++ b/pom.xml
@@ -107,7 +107,12 @@
       <dependency>
         <groupId>org.codehaus.plexus</groupId>
         <artifactId>plexus-testing</artifactId>
-        <version>1.1.0</version>
+        <version>1.2.0</version>
+      </dependency>
+      <dependency>
+        <groupId>com.google.guava</groupId>
+        <artifactId>guava</artifactId>
+        <version>32.1.3-jre</version>
       </dependency>
       <dependency>
         <groupId>org.eclipse.sisu</groupId>