diff --git a/project/ProjectPlugin.scala b/project/ProjectPlugin.scala
index f63ce6f9..d1c0e645 100644
--- a/project/ProjectPlugin.scala
+++ b/project/ProjectPlugin.scala
@@ -15,7 +15,7 @@ object ProjectPlugin extends AutoPlugin {
       Seq(
         libraryDependencies ++=
           Seq(
-            "org.typelevel" %%% "cats-effect" % "3.5.5",
+            "org.typelevel" %%% "cats-effect" % "3.5.6",
             "org.scalatest" %%% "scalatest"   % "3.2.19" % "test"
           )
       )