diff --git a/build.sbt b/build.sbt
index e9783d3b..9da39e2e 100644
--- a/build.sbt
+++ b/build.sbt
@@ -4,7 +4,7 @@ lazy val scala_213 = "2.13.4"
 lazy val versionOf = new {
   val cats          = "2.6.0"
   val catsEffect    = "2.5.0"
-  val fs2           = "2.5.4"
+  val fs2           = "2.5.5"
   val kindProjector = "0.11.3"
   val log4cats      = "1.2.2"
   val log4s         = "1.9.0"