diff --git a/build.sbt b/build.sbt
index 19397d0..dca4b10 100644
--- a/build.sbt
+++ b/build.sbt
@@ -7,7 +7,7 @@ ThisBuild / scalaVersion := Scala213
 
 ThisBuild / testFrameworks += new TestFramework("munit.Framework")
 
-val catsV = "2.6.1"
+val catsV = "2.11.0"
 val catsEffectV = "3.2.9"
 val fs2V = "3.1.5"
 val http4sV = "0.23.6"