diff --git a/build.sbt b/build.sbt
index f6050016..84ddb5f3 100644
--- a/build.sbt
+++ b/build.sbt
@@ -20,7 +20,7 @@ import scala.scalanative.build._
 val scala212 = "2.12.18"
 val scala213 = "2.13.12"
 val scala3 = "3.3.1"
-val fs2Version = "3.9.3"
+val fs2Version = "3.9.4"
 val circeVersion = "0.14.6"
 val circeExtrasVersion = "0.14.2"
 val playVersion = "3.0.2"