diff --git a/build.sbt b/build.sbt
index 99e8b5e7..7b464455 100644
--- a/build.sbt
+++ b/build.sbt
@@ -35,7 +35,7 @@ ThisBuild / mergifyRequiredJobs += "site"
 ThisBuild / mergifyLabelPaths += "docs" -> file("docs")
 
 val catsV = "2.9.0"
-val catsEffectV = "3.5.2"
+val catsEffectV = "3.5.3"
 val fs2V = "3.7.0"
 val scodecV = "1.1.37"
 val http4sV = "0.23.19"