diff --git a/pdf/project.xml b/pdf/project.xml
index d5af1866..6c64bacb 100644
--- a/pdf/project.xml
+++ b/pdf/project.xml
@@ -80,13 +80,13 @@
         <dependency>
             <groupId>avalon-framework</groupId>
             <artifactId>avalon-framework</artifactId>
-            <version>4.0</version>
+            <version>4.1.5</version>
             <url>http://avalon.apache.org/framework/</url>
         </dependency>
         <dependency>
             <groupId>xerces</groupId>
             <artifactId>xerces</artifactId>
-            <version>2.3.0</version>
+            <version>2.4.0</version>
             <properties>
                 <classloader>root</classloader>
             </properties>