diff --git a/sonar-update-center-common/src/main/java/org/sonar/updatecenter/common/UpdateCenterSerializer.java b/sonar-update-center-common/src/main/java/org/sonar/updatecenter/common/UpdateCenterSerializer.java
index 23dd02cc..58cf96a6 100644
--- a/sonar-update-center-common/src/main/java/org/sonar/updatecenter/common/UpdateCenterSerializer.java
+++ b/sonar-update-center-common/src/main/java/org/sonar/updatecenter/common/UpdateCenterSerializer.java
@@ -84,7 +84,12 @@ public static Properties toProperties(UpdateCenter center) {
     if (center.getSonar().getLtsRelease() != null) {
       set(p, "ltsVersion", center.getSonar().getLtsRelease().getVersion().toString());
     }
-
+    if (center.getSonar().getLtaVersion() != null) {
+      set(p, "ltaVersion", center.getSonar().getLtaVersion().getVersion().toString());
+    }
+    if (center.getSonar().getPastLtaVersion() != null) {
+      set(p, "pastLtaVersion", center.getSonar().getPastLtaVersion().getVersion().toString());
+    }
     for (Release sonarRelease : center.getSonar().getAllReleases()) {
       set(p, sonarRelease.getVersion() + CHANGELOG_URL_SUFFIX, sonarRelease.getChangelogUrl());
       set(p, sonarRelease.getVersion() + DISPLAY_VERSION_SUFFIX, sonarRelease.getDisplayVersion());
diff --git a/sonar-update-center-common/src/test/java/org/sonar/updatecenter/common/UpdateCenterSerializerTest.java b/sonar-update-center-common/src/test/java/org/sonar/updatecenter/common/UpdateCenterSerializerTest.java
index 3d4148d8..829578fd 100644
--- a/sonar-update-center-common/src/test/java/org/sonar/updatecenter/common/UpdateCenterSerializerTest.java
+++ b/sonar-update-center-common/src/test/java/org/sonar/updatecenter/common/UpdateCenterSerializerTest.java
@@ -42,6 +42,8 @@ public void test_to_properties() throws IOException, URISyntaxException {
       .setDownloadUrl("http://dist.sonar.codehaus.org/sonar-enterprise-2.1.zip", Release.Edition.ENTERPRISE)
       .setDownloadUrl("http://dist.sonar.codehaus.org/sonar-datacenter-2.1.zip", Release.Edition.DATACENTER);
     sonar.setLtsRelease("2.0");
+    sonar.setLtaVersion("2.0");
+    sonar.setPastLtaVersion("1.0");
 
     Plugin foo = Plugin.factory("foo");
 
@@ -78,6 +80,8 @@ public void test_to_properties() throws IOException, URISyntaxException {
     assertProperty(properties, "2.1.downloadEnterpriseUrl", "http://dist.sonar.codehaus.org/sonar-enterprise-2.1.zip");
     assertProperty(properties, "2.1.downloadDatacenterUrl", "http://dist.sonar.codehaus.org/sonar-datacenter-2.1.zip");
     assertProperty(properties, "ltsVersion", "2.0");
+    assertProperty(properties, "ltaVersion", "2.0");
+    assertProperty(properties, "pastLtaVersion", "1.0");
     assertProperty(properties, "plugins", "bar,foo");
     assertProperty(properties, "foo.name", "Foo");
     assertProperty(properties, "foo.organizationUrl", "http://www.sonarsource.org");