diff -rupN periodicbackup-plugin-master.orig/pom.xml periodicbackup-plugin-master/pom.xml
--- periodicbackup-plugin-master.orig/pom.xml	2013-07-17 02:08:10.000000000 +0200
+++ periodicbackup-plugin-master/pom.xml	2015-08-20 12:13:41.161954500 +0200
@@ -3,7 +3,7 @@
     <parent>
         <groupId>org.jenkins-ci.plugins</groupId>
         <artifactId>plugin</artifactId>
-        <version>1.399</version>
+        <version>1.618</version>
     </parent>
 
     <artifactId>periodicbackup</artifactId>
diff -rupN periodicbackup-plugin-master.orig/src/main/java/org/jenkinsci/plugins/periodicbackup/ConfigOnly.java periodicbackup-plugin-master/src/main/java/org/jenkinsci/plugins/periodicbackup/ConfigOnly.java
--- periodicbackup-plugin-master.orig/src/main/java/org/jenkinsci/plugins/periodicbackup/ConfigOnly.java	2013-07-17 02:08:10.000000000 +0200
+++ periodicbackup-plugin-master/src/main/java/org/jenkinsci/plugins/periodicbackup/ConfigOnly.java	2015-09-02 10:16:25.364308200 +0200
@@ -61,16 +61,18 @@ public class ConfigOnly extends FileMana
     public Iterable<File> getFilesToBackup() throws PeriodicBackupException {
         File rootDir = Hudson.getInstance().getRootDir();
         List<File> filesToBackup = Lists.newArrayList();
-        addRootFiles(rootDir, filesToBackup);
+        addXmlFiles(rootDir, filesToBackup);
+        addXmlFiles(new File(rootDir, "labels"), filesToBackup);
         addJobFiles(rootDir, filesToBackup);
-        addUserFiles(rootDir, filesToBackup);
+        addConfigFiles(rootDir, "users", filesToBackup);
+        addConfigFiles(rootDir, "nodes", filesToBackup);
         return filesToBackup;
     }
 
-    private void addRootFiles(File rootDir, List<File> filesToBackup) {
+    private void addXmlFiles(File xmlDir, List<File> filesToBackup) {
         // First find the xml files in the home directory
-        File[] xmlsInRoot = rootDir.listFiles(Util.extensionFileFilter("xml"));
-        filesToBackup.addAll(Arrays.asList(xmlsInRoot));
+        File[] xmlFiles = xmlDir.listFiles(Util.extensionFileFilter("xml"));
+        filesToBackup.addAll(Arrays.asList(xmlFiles));
     }
 
     private void addJobFiles(File rootDir, List<File> filesToBackup) {
@@ -101,8 +103,8 @@ public class ConfigOnly extends FileMana
         }
     }
 
-    private void addUserFiles(File rootDir, List<File> filesToBackup) {
-        File usersDir = new File(rootDir, "users");
+    private void addConfigFiles(File rootDir, String backupDir, List<File> filesToBackup) {
+        File usersDir = new File(rootDir, backupDir);
         if (usersDir.exists() && usersDir.isDirectory()) {
             // Each user directory should have a config.xml file
             File[] dirsInUsers = usersDir.listFiles((FileFilter) FileFilterUtils.directoryFileFilter());
@@ -110,8 +112,7 @@ public class ConfigOnly extends FileMana
                 File userConfig = new File(user, "config.xml");
                 if (userConfig.exists() && userConfig.isFile()) {
                     filesToBackup.add(userConfig);
-                }
-                else {
+                } else {
                     LOGGER.warning(userConfig.getAbsolutePath() + " does not exist or is not a file.");
                 }
             }