diff --git a/Mustang-CLI/pom.xml b/Mustang-CLI/pom.xml
index 4ec10658..48bfcfe9 100644
--- a/Mustang-CLI/pom.xml
+++ b/Mustang-CLI/pom.xml
@@ -30,24 +30,24 @@
       <dependency><!-- apache commons cli to parse command line -->
          <groupId>commons-cli</groupId>
          <artifactId>commons-cli</artifactId>
-         <version>1.5.0</version>
+         <version>1.8.0</version>
       </dependency>
 
       <dependency>
          <groupId>org.riversun</groupId>
          <artifactId>bigdoc</artifactId>
-         <version>0.3.0</version>
+         <version>0.4.0</version>
       </dependency>
       <dependency>
          <groupId>org.junit.jupiter</groupId>
          <artifactId>junit-jupiter-api</artifactId>
-         <version>5.9.1</version>
+         <version>5.10.2</version>
          <scope>test</scope>
       </dependency>
       <dependency>
          <groupId>org.junit.vintage</groupId>
          <artifactId>junit-vintage-engine</artifactId>
-         <version>5.9.1</version>
+         <version>5.10.2</version>
          <scope>test</scope>
       </dependency>
 <!-- for directory validation: -->
@@ -59,7 +59,7 @@
       <dependency>
          <groupId>org.xmlunit</groupId>
          <artifactId>xmlunit-assertj</artifactId>
-         <version>2.9.1</version>
+         <version>2.10.0</version>
       </dependency>
 
 <!-- /directory validation: -->
diff --git a/validator/pom.xml b/validator/pom.xml
index a14871ed..e6de0a9b 100644
--- a/validator/pom.xml
+++ b/validator/pom.xml
@@ -92,7 +92,7 @@
         <dependency>
             <groupId>org.riversun</groupId>
             <artifactId>bigdoc</artifactId>
-            <version>0.3.0</version>
+            <version>0.4.0</version>
         </dependency>
         <dependency>
             <groupId>org.junit.jupiter</groupId>