diff --git a/lucene/backward-codecs/src/test/org/apache/lucene/index/TestBackwardsCompatibility.java b/lucene/backward-codecs/src/test/org/apache/lucene/index/TestBackwardsCompatibility.java
index 0608e8348a4..3cfc991ef54 100644
--- a/lucene/backward-codecs/src/test/org/apache/lucene/index/TestBackwardsCompatibility.java
+++ b/lucene/backward-codecs/src/test/org/apache/lucene/index/TestBackwardsCompatibility.java
@@ -305,6 +305,8 @@ public class TestBackwardsCompatibility extends LuceneTestCase {
       "4.10.1-nocfs",
       "4.10.2-cfs",
       "4.10.2-nocfs",
+      "4.10.3-cfs",
+      "4.10.3-nocfs",
   };
   
   final static String[] oldSingleSegmentNames = {
diff --git a/lucene/backward-codecs/src/test/org/apache/lucene/index/unsupported.4.10.3-cfs.zip b/lucene/backward-codecs/src/test/org/apache/lucene/index/unsupported.4.10.3-cfs.zip
new file mode 100644
index 00000000000..cecbcc2fefa
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diff --git a/lucene/backward-codecs/src/test/org/apache/lucene/index/unsupported.4.10.3-nocfs.zip b/lucene/backward-codecs/src/test/org/apache/lucene/index/unsupported.4.10.3-nocfs.zip
new file mode 100644
index 00000000000..201dc53c14c
Binary files /dev/null and b/lucene/backward-codecs/src/test/org/apache/lucene/index/unsupported.4.10.3-nocfs.zip differ