diff --git a/doxia-book-maven-plugin/pom.xml b/doxia-book-maven-plugin/pom.xml
index fe3224c..81bf2f2 100644
--- a/doxia-book-maven-plugin/pom.xml
+++ b/doxia-book-maven-plugin/pom.xml
@@ -25,7 +25,7 @@
   <parent>
     <groupId>org.apache.maven.doxia</groupId>
     <artifactId>doxia-tools</artifactId>
-    <version>3</version>
+    <version>30</version>
     <relativePath>../../../pom/maven/doxia-tools/pom.xml</relativePath>
   </parent>
 
diff --git a/doxia-book-renderer/pom.xml b/doxia-book-renderer/pom.xml
index 44c650f..8071453 100644
--- a/doxia-book-renderer/pom.xml
+++ b/doxia-book-renderer/pom.xml
@@ -25,7 +25,7 @@
   <parent>
     <groupId>org.apache.maven.doxia</groupId>
     <artifactId>doxia-tools</artifactId>
-    <version>3</version>
+    <version>30</version>
     <relativePath>../../../pom/maven/doxia-tools/pom.xml</relativePath>
   </parent>
 
diff --git a/doxia-converter/pom.xml b/doxia-converter/pom.xml
index 0064cf1..acc3bd1 100644
--- a/doxia-converter/pom.xml
+++ b/doxia-converter/pom.xml
@@ -25,7 +25,7 @@
   <parent>
     <groupId>org.apache.maven.doxia</groupId>
     <artifactId>doxia-tools</artifactId>
-    <version>3</version>
+    <version>30</version>
     <relativePath>../../../pom/maven/doxia-tools/pom.xml</relativePath>
   </parent>
 
diff --git a/doxia-linkcheck/pom.xml b/doxia-linkcheck/pom.xml
index d6e46d8..5b29e64 100644
--- a/doxia-linkcheck/pom.xml
+++ b/doxia-linkcheck/pom.xml
@@ -25,7 +25,7 @@
   <parent>
     <groupId>org.apache.maven.doxia</groupId>
     <artifactId>doxia-tools</artifactId>
-    <version>3</version>
+    <version>30</version>
     <relativePath>../../../pom/maven/doxia-tools/pom.xml</relativePath>
   </parent>