diff --git a/project/Deps.scala b/project/Deps.scala
index ead78d1..04d8328 100644
--- a/project/Deps.scala
+++ b/project/Deps.scala
@@ -9,7 +9,7 @@ object Deps {
 
   // core libraries
   val cats = new {
-    val effect = s("org.typelevel" %%% "cats-effect" % "3.5.5")
+    val effect = s("org.typelevel" %%% "cats-effect" % "3.5.6")
   }
 
   // frp