diff --git a/build.sbt b/build.sbt
index 91a232e..e147ccf 100644
--- a/build.sbt
+++ b/build.sbt
@@ -19,7 +19,7 @@ ThisBuild / startYear := Some(2024)
 val Scala213Cond = s"matrix.scala == '$Scala213'"
 
 val catsV = "2.12.0"
-val catsEffectV = "3.5.4"
+val catsEffectV = "3.5.5"
 val fs2V = "3.6.1"
 val http4sV = "0.23.29"
 val munitCatsEffectV = "2.0.0"