diff --git a/build.sc b/build.sc
index 91dfdda..2b261c0 100644
--- a/build.sc
+++ b/build.sc
@@ -21,7 +21,7 @@ object Versions {
 }
 
 object Deps {
-  def catsEffect                = ivy"org.typelevel::cats-effect::3.5.4"
+  def catsEffect                = ivy"org.typelevel::cats-effect::3.5.6"
   def catsEffect2               = ivy"org.typelevel::cats-effect::2.5.5"
   def dataClass                 = ivy"io.github.alexarchambault::data-class:0.2.6"
   def macroParadise             = ivy"org.scalamacros:::paradise:2.1.1"