diff --git a/core/src/main/java/org/elasticsearch/Version.java b/core/src/main/java/org/elasticsearch/Version.java
index 1ee42adaee3db..1a1e2b77f0764 100644
--- a/core/src/main/java/org/elasticsearch/Version.java
+++ b/core/src/main/java/org/elasticsearch/Version.java
@@ -101,6 +101,8 @@ public class Version implements Comparable<Version> {
     public static final Version V_5_1_1_UNRELEASED = new Version(V_5_1_1_ID_UNRELEASED, org.apache.lucene.util.Version.LUCENE_6_3_0);
     public static final int V_5_1_2_ID_UNRELEASED = 5010299;
     public static final Version V_5_1_2_UNRELEASED = new Version(V_5_1_2_ID_UNRELEASED, org.apache.lucene.util.Version.LUCENE_6_3_0);
+    public static final int V_5_1_3_ID_UNRELEASED = 5010399;
+    public static final Version V_5_1_3_UNRELEASED = new Version(V_5_1_3_ID_UNRELEASED, org.apache.lucene.util.Version.LUCENE_6_3_0);
     public static final int V_5_2_0_ID_UNRELEASED = 5020099;
     public static final Version V_5_2_0_UNRELEASED = new Version(V_5_2_0_ID_UNRELEASED, org.apache.lucene.util.Version.LUCENE_6_3_0);
     public static final int V_5_3_0_ID_UNRELEASED = 5030099;
@@ -129,6 +131,8 @@ public static Version fromId(int id) {
                 return V_5_3_0_UNRELEASED;
             case V_5_2_0_ID_UNRELEASED:
                 return V_5_2_0_UNRELEASED;
+            case V_5_1_3_ID_UNRELEASED:
+                return V_5_1_3_UNRELEASED;
             case V_5_1_2_ID_UNRELEASED:
                 return V_5_1_2_UNRELEASED;
             case V_5_1_1_ID_UNRELEASED:
diff --git a/core/src/test/resources/indices/bwc/index-5.1.2.zip b/core/src/test/resources/indices/bwc/index-5.1.2.zip
new file mode 100644
index 0000000000000..a8c69190586b7
Binary files /dev/null and b/core/src/test/resources/indices/bwc/index-5.1.2.zip differ
diff --git a/core/src/test/resources/indices/bwc/repo-5.1.2.zip b/core/src/test/resources/indices/bwc/repo-5.1.2.zip
new file mode 100644
index 0000000000000..f5e805a6f185a
Binary files /dev/null and b/core/src/test/resources/indices/bwc/repo-5.1.2.zip differ
diff --git a/qa/vagrant/versions b/qa/vagrant/versions
index 7a5ba03295116..ba6a114efa999 100644
--- a/qa/vagrant/versions
+++ b/qa/vagrant/versions
@@ -2,3 +2,4 @@
 5.0.1
 5.0.2
 5.1.1
+5.1.2