diff --git a/lucene/backward-codecs/src/test/org/apache/lucene/backward_index/TestBackwardsCompatibility.java b/lucene/backward-codecs/src/test/org/apache/lucene/backward_index/TestBackwardsCompatibility.java
index 5732d0821c0..14c5c6fb1c6 100644
--- a/lucene/backward-codecs/src/test/org/apache/lucene/backward_index/TestBackwardsCompatibility.java
+++ b/lucene/backward-codecs/src/test/org/apache/lucene/backward_index/TestBackwardsCompatibility.java
@@ -357,7 +357,11 @@ public class TestBackwardsCompatibility extends LuceneTestCase {
     "9.2.0-cfs",
     "9.2.0-nocfs",
     "9.3.0-cfs",
-    "9.3.0-nocfs"
+    "9.3.0-nocfs",
+    "9.4.0-cfs",
+    "9.4.0-nocfs",
+    "9.4.1-cfs",
+    "9.4.1-nocfs"
   };
 
   public static String[] getOldNames() {
@@ -368,7 +372,9 @@ public class TestBackwardsCompatibility extends LuceneTestCase {
     "sorted.9.0.0", // Force on separate lines
     "sorted.9.1.0",
     "sorted.9.2.0",
-    "sorted.9.3.0"
+    "sorted.9.3.0",
+    "sorted.9.4.0",
+    "sorted.9.4.1"
   };
 
   public static String[] getOldSortedNames() {
diff --git a/lucene/backward-codecs/src/test/org/apache/lucene/backward_index/index.9.4.0-cfs.zip b/lucene/backward-codecs/src/test/org/apache/lucene/backward_index/index.9.4.0-cfs.zip
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diff --git a/lucene/backward-codecs/src/test/org/apache/lucene/backward_index/index.9.4.0-nocfs.zip b/lucene/backward-codecs/src/test/org/apache/lucene/backward_index/index.9.4.0-nocfs.zip
new file mode 100644
index 00000000000..0b3186ee5f3
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diff --git a/lucene/backward-codecs/src/test/org/apache/lucene/backward_index/index.9.4.1-cfs.zip b/lucene/backward-codecs/src/test/org/apache/lucene/backward_index/index.9.4.1-cfs.zip
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index 00000000000..94fbd53aaba
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diff --git a/lucene/backward-codecs/src/test/org/apache/lucene/backward_index/index.9.4.1-nocfs.zip b/lucene/backward-codecs/src/test/org/apache/lucene/backward_index/index.9.4.1-nocfs.zip
new file mode 100644
index 00000000000..33d8d3334c4
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diff --git a/lucene/backward-codecs/src/test/org/apache/lucene/backward_index/sorted.9.4.0.zip b/lucene/backward-codecs/src/test/org/apache/lucene/backward_index/sorted.9.4.0.zip
new file mode 100644
index 00000000000..247dc87bc83
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diff --git a/lucene/backward-codecs/src/test/org/apache/lucene/backward_index/sorted.9.4.1.zip b/lucene/backward-codecs/src/test/org/apache/lucene/backward_index/sorted.9.4.1.zip
new file mode 100644
index 00000000000..b5dc9ea36b0
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