diff --git a/build.sbt b/build.sbt
index bbe85cb..2399226 100644
--- a/build.sbt
+++ b/build.sbt
@@ -28,7 +28,7 @@ ThisBuild / scalaVersion := Scala213 // the default Scala
 
 val catsV = "2.10.0"
 val catsEffectV = "3.5.1"
-val fs2V = "3.8.0"
+val fs2V = "3.9.2"
 val luceneV = "9.7.0"
 val munitCatsEffectV = "2.0.0-M3"
 
diff --git a/lucene/src/main/scala/textmogrify/lucene/AnalyzerPipe.scala b/lucene/src/main/scala/textmogrify/lucene/AnalyzerPipe.scala
index 5893531..2348848 100644
--- a/lucene/src/main/scala/textmogrify/lucene/AnalyzerPipe.scala
+++ b/lucene/src/main/scala/textmogrify/lucene/AnalyzerPipe.scala
@@ -67,9 +67,9 @@ sealed abstract case class AnalyzerPipe[F[_]](readerF: Reader => Resource[F, Tok
       }
       if (iter < tokenN)
         // we finished early, no tokens left, final chunk
-        Pull.output(Chunk.indexedSeq(arr)).as(None)
+        Pull.output(Chunk.from(arr)).as(None)
       else
-        Pull.output(Chunk.indexedSeq(arr)).as(Some(tk))
+        Pull.output(Chunk.from(arr)).as(Some(tk))
     }
 
     def go(tokens: Stream[F, TokenGetter]): Pull[F, String, Unit] =