diff --git a/build.sbt b/build.sbt
index 21e0922..cc405ec 100644
--- a/build.sbt
+++ b/build.sbt
@@ -15,7 +15,7 @@ ThisBuild / githubWorkflowJavaVersions := Seq(JavaSpec.temurin("17"))
 ThisBuild / tlJdkRelease := Some(17)
 
 val CatsVersion = "2.10.0"
-val CatsEffectVersion = "3.5.2"
+val CatsEffectVersion = "3.5.6"
 val CatsCollectionsVersion = "0.9.8"
 val CommonsNumbersGamma = "1.1"
 val CommonsRngVersion = "1.5"