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 c1491946205..fe2db0666cf 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
@@ -307,7 +307,9 @@ public class TestBackwardsCompatibility extends LuceneTestCase {
     "8.5.1-cfs",
     "8.5.1-nocfs",
     "8.5.2-cfs",
-    "8.5.2-nocfs"
+    "8.5.2-nocfs",
+    "8.6.0-cfs",
+    "8.6.0-nocfs"
   };
 
   public static String[] getOldNames() {
@@ -325,7 +327,8 @@ public class TestBackwardsCompatibility extends LuceneTestCase {
     "sorted.8.4.1",
     "sorted.8.5.0",
     "sorted.8.5.1",
-    "sorted.8.5.2"
+    "sorted.8.5.2",
+    "sorted.8.6.0"
   };
 
   public static String[] getOldSortedNames() {
diff --git a/lucene/backward-codecs/src/test/org/apache/lucene/index/index.8.6.0-cfs.zip b/lucene/backward-codecs/src/test/org/apache/lucene/index/index.8.6.0-cfs.zip
new file mode 100644
index 00000000000..e8b1bc0ee6c
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diff --git a/lucene/backward-codecs/src/test/org/apache/lucene/index/index.8.6.0-nocfs.zip b/lucene/backward-codecs/src/test/org/apache/lucene/index/index.8.6.0-nocfs.zip
new file mode 100644
index 00000000000..d441c9b1713
Binary files /dev/null and b/lucene/backward-codecs/src/test/org/apache/lucene/index/index.8.6.0-nocfs.zip differ
diff --git a/lucene/backward-codecs/src/test/org/apache/lucene/index/sorted.8.6.0.zip b/lucene/backward-codecs/src/test/org/apache/lucene/index/sorted.8.6.0.zip
new file mode 100644
index 00000000000..960e0a1191d
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