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 580faef710d6..6eea3e5a78d1 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
@@ -1382,7 +1382,7 @@ public void testUpgradeWithExplicitUpgrades() throws Exception {
 
       assertFalse("Excpected these segments to be an old version", versionBefore.equals(Version.LATEST));
 
-      LiveUpgradeIndexMergePolicy uimp = new LiveUpgradeIndexMergePolicy(NoMergePolicy.INSTANCE);
+      LiveUpgradeSegmentsMergePolicy uimp = new LiveUpgradeSegmentsMergePolicy(NoMergePolicy.INSTANCE);
      
       assertEquals(numSegmentsBefore, checkAllSegmentsUpgraded(dir, versionBefore, createdVersionBefore));
 
diff --git a/lucene/core/src/java/org/apache/lucene/index/IndexUpgrader.java b/lucene/core/src/java/org/apache/lucene/index/IndexUpgrader.java
index 830f695a0588..67c07076fca5 100644
--- a/lucene/core/src/java/org/apache/lucene/index/IndexUpgrader.java
+++ b/lucene/core/src/java/org/apache/lucene/index/IndexUpgrader.java
@@ -203,7 +203,7 @@ public void upgrade(int maxSegements) throws IOException {
     
     MergePolicy mp;
     if(includeNewSegments) {
-      LiveUpgradeIndexMergePolicy uimp = new LiveUpgradeIndexMergePolicy(iwc.getMergePolicy());
+      LiveUpgradeSegmentsMergePolicy uimp = new LiveUpgradeSegmentsMergePolicy(iwc.getMergePolicy());
       uimp.setEnableUpgrades(true);
       mp = uimp;
     } else {
diff --git a/lucene/core/src/java/org/apache/lucene/index/LiveUpgradeIndexMergePolicy.java b/lucene/core/src/java/org/apache/lucene/index/LiveUpgradeSegmentsMergePolicy.java
similarity index 97%
rename from lucene/core/src/java/org/apache/lucene/index/LiveUpgradeIndexMergePolicy.java
rename to lucene/core/src/java/org/apache/lucene/index/LiveUpgradeSegmentsMergePolicy.java
index 3d78bf792023..216049f63634 100644
--- a/lucene/core/src/java/org/apache/lucene/index/LiveUpgradeIndexMergePolicy.java
+++ b/lucene/core/src/java/org/apache/lucene/index/LiveUpgradeSegmentsMergePolicy.java
@@ -55,15 +55,15 @@
   * @lucene.experimental
   * @see IndexUpgrader
   */
-public class LiveUpgradeIndexMergePolicy extends MergePolicyWrapper {
+public class LiveUpgradeSegmentsMergePolicy extends MergePolicyWrapper {
   
   private int maxUpgradesAtATime = 5;
   private volatile boolean enableUpgrades = false;
-  private Predicate<SegmentCommitInfo> shouldSegmentUpgrade = LiveUpgradeIndexMergePolicy::segmentIsLatestVersion; 
+  private Predicate<SegmentCommitInfo> shouldSegmentUpgrade = LiveUpgradeSegmentsMergePolicy::segmentIsLatestVersion; 
 
   /** Wrap the given {@link MergePolicy} and intercept forceMerge requests to
    * only upgrade segments written with previous Lucene versions. */
-  public LiveUpgradeIndexMergePolicy(MergePolicy in) {
+  public LiveUpgradeSegmentsMergePolicy(MergePolicy in) {
     super(in);
   }