diff --git a/build.sbt b/build.sbt
index bb3110b..47e7755 100644
--- a/build.sbt
+++ b/build.sbt
@@ -24,7 +24,7 @@ ThisBuild / tlJdkRelease := Some(8)
 ThisBuild / testFrameworks += new TestFramework("munit.Framework")
 
 val catsV = "2.9.0"
-val catsEffectV = "3.5.0"
+val catsEffectV = "3.5.3"
 val fs2V = "3.7.0"
 val http4sV = "0.23.19"
 val fiberLocalV = "0.1.2"