diff --git a/build.sbt b/build.sbt
index a11f862..dfae9f3 100644
--- a/build.sbt
+++ b/build.sbt
@@ -17,7 +17,7 @@ ThisBuild / tlSonatypeUseLegacyHost := true
 
 ThisBuild / testFrameworks += new TestFramework("munit.Framework")
 
-val catsV = "2.9.0"
+val catsV = "2.11.0"
 val catsEffectV = "3.4.8"
 val scalaTestV = "3.2.9"