diff --git a/build.sbt b/build.sbt
index 79b47e5f..4683d49e 100644
--- a/build.sbt
+++ b/build.sbt
@@ -27,7 +27,7 @@ ThisBuild / githubWorkflowJavaVersions := Seq(JavaSpec.temurin("8"), JavaSpec.te
 ThisBuild / tlVersionIntroduced := Map("3" -> "2.1.1")
 
 val catsV = "2.11.0"
-val catsEffectV = "3.5.5"
+val catsEffectV = "3.5.6"
 val slf4jV = "1.7.36"
 val munitCatsEffectV = "2.0.0"
 val logbackClassicV = "1.2.13"