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 5169b36f762..7650fe67600 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
@@ -320,6 +320,8 @@ public class TestBackwardsCompatibility extends LuceneTestCase {
       "4.10.2-nocfs",
       "4.10.3-cfs",
       "4.10.3-nocfs",
+      "4.10.4-cfs",
+      "4.10.4-nocfs"
   };
   
   final static String[] oldSingleSegmentNames = {
diff --git a/lucene/backward-codecs/src/test/org/apache/lucene/index/unsupported.4.10.4-cfs.zip b/lucene/backward-codecs/src/test/org/apache/lucene/index/unsupported.4.10.4-cfs.zip
new file mode 100644
index 00000000000..507b73c3673
Binary files /dev/null and b/lucene/backward-codecs/src/test/org/apache/lucene/index/unsupported.4.10.4-cfs.zip differ
diff --git a/lucene/backward-codecs/src/test/org/apache/lucene/index/unsupported.4.10.4-nocfs.zip b/lucene/backward-codecs/src/test/org/apache/lucene/index/unsupported.4.10.4-nocfs.zip
new file mode 100644
index 00000000000..e82f72ab9bf
Binary files /dev/null and b/lucene/backward-codecs/src/test/org/apache/lucene/index/unsupported.4.10.4-nocfs.zip differ