diff --git a/maven-external-version-plugin/src/main/java/org/apache/maven/version/ExternalVersionExtension.java b/maven-external-version-plugin/src/main/java/org/apache/maven/version/ExternalVersionExtension.java
index f528342..c88f91e 100644
--- a/maven-external-version-plugin/src/main/java/org/apache/maven/version/ExternalVersionExtension.java
+++ b/maven-external-version-plugin/src/main/java/org/apache/maven/version/ExternalVersionExtension.java
@@ -93,7 +93,7 @@ public void afterProjectsRead( MavenSession session )
 
         Map<String, String> gavVersionMap = new HashMap<String, String>();
 
-        for ( MavenProject mavenProject : session.getAllProjects() )
+        for ( MavenProject mavenProject : session.getProjects() )
         {
             // Lookup this plugin's configuration
             Plugin plugin = mavenProject.getPlugin( "org.apache.maven.plugins:maven-external-version-plugin" );
@@ -143,7 +143,7 @@ public void afterProjectsRead( MavenSession session )
         // now we have only updated the versions of the projects, we need to update
         // the references between the updated projects
 
-        for ( MavenProject mavenProject : session.getAllProjects() )
+        for ( MavenProject mavenProject : session.getProjects() )
         {
             try
             {