diff --git a/RELEASENOTES.md b/RELEASENOTES.md
index 4760514b8e..177e50c14a 100644
--- a/RELEASENOTES.md
+++ b/RELEASENOTES.md
@@ -37,6 +37,8 @@
         API.
 *   RTMP Extension:
 *   HLS Extension:
+    *   Reduce `HlsMediaPeriod` to package-private visibility. This type
+        shouldn't be directly depended on from outside the HLS package.
 *   DASH Extension:
     *   Extend experimental support for parsing subtitles during extraction to
         work with standalone text files (previously it only worked with
diff --git a/libraries/exoplayer_hls/src/main/java/androidx/media3/exoplayer/hls/HlsMediaPeriod.java b/libraries/exoplayer_hls/src/main/java/androidx/media3/exoplayer/hls/HlsMediaPeriod.java
index 9174c99924..b5ac8fa9da 100644
--- a/libraries/exoplayer_hls/src/main/java/androidx/media3/exoplayer/hls/HlsMediaPeriod.java
+++ b/libraries/exoplayer_hls/src/main/java/androidx/media3/exoplayer/hls/HlsMediaPeriod.java
@@ -27,7 +27,6 @@ import androidx.media3.common.StreamKey;
 import androidx.media3.common.TrackGroup;
 import androidx.media3.common.util.Assertions;
 import androidx.media3.common.util.NullableType;
-import androidx.media3.common.util.UnstableApi;
 import androidx.media3.common.util.Util;
 import androidx.media3.datasource.DataSource;
 import androidx.media3.datasource.TransferListener;
@@ -64,8 +63,8 @@ import java.util.Map;
 import org.checkerframework.checker.nullness.qual.MonotonicNonNull;
 
 /** A {@link MediaPeriod} that loads an HLS stream. */
-@UnstableApi
-public final class HlsMediaPeriod implements MediaPeriod, HlsPlaylistTracker.PlaylistEventListener {
+/* package */ final class HlsMediaPeriod
+    implements MediaPeriod, HlsPlaylistTracker.PlaylistEventListener {
 
   private final HlsExtractorFactory extractorFactory;
   private final HlsPlaylistTracker playlistTracker;