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 cfc501a2439..8ef819cedb8 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
@@ -301,7 +301,9 @@ public class TestBackwardsCompatibility extends LuceneTestCase {
     "8.4.0-cfs",
     "8.4.0-nocfs",
     "8.4.1-cfs",
-    "8.4.1-nocfs"
+    "8.4.1-nocfs",
+    "8.5.0-cfs",
+    "8.5.0-nocfs"
   };
 
   public static String[] getOldNames() {
@@ -316,7 +318,8 @@ public class TestBackwardsCompatibility extends LuceneTestCase {
     "sorted.8.3.0",
     "sorted.8.3.1",
     "sorted.8.4.0",
-    "sorted.8.4.1"
+    "sorted.8.4.1",
+    "sorted.8.5.0"
   };
 
   public static String[] getOldSortedNames() {
diff --git a/lucene/backward-codecs/src/test/org/apache/lucene/index/index.8.5.0-cfs.zip b/lucene/backward-codecs/src/test/org/apache/lucene/index/index.8.5.0-cfs.zip
new file mode 100644
index 00000000000..07b20f521a0
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diff --git a/lucene/backward-codecs/src/test/org/apache/lucene/index/index.8.5.0-nocfs.zip b/lucene/backward-codecs/src/test/org/apache/lucene/index/index.8.5.0-nocfs.zip
new file mode 100644
index 00000000000..8d048ed29e1
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diff --git a/lucene/backward-codecs/src/test/org/apache/lucene/index/sorted.8.5.0.zip b/lucene/backward-codecs/src/test/org/apache/lucene/index/sorted.8.5.0.zip
new file mode 100644
index 00000000000..637d780f0d1
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