diff --git a/pom.xml b/pom.xml
index 92d399d..294ed09 100644
--- a/pom.xml
+++ b/pom.xml
@@ -86,12 +86,12 @@
     <dependency>
       <groupId>org.codehaus.plexus</groupId>
       <artifactId>plexus-utils</artifactId>
-      <version>1.5.5</version>
+      <version>1.5.15</version>
     </dependency>
     <dependency>
       <groupId>org.codehaus.plexus</groupId>
       <artifactId>plexus-interpolation</artifactId>
-      <version>1.9</version>
+      <version>1.11</version>
     </dependency>
     <dependency>
       <groupId>org.apache.maven</groupId>