diff --git a/build.sbt b/build.sbt
index 0ee1f50..1943bb4 100644
--- a/build.sbt
+++ b/build.sbt
@@ -41,8 +41,8 @@ lazy val core = crossProject(JVMPlatform, JSPlatform, NativePlatform)
     scalafmtOnCompile := true,
     libraryDependencies ++= List(
       "org.typelevel" %%% "cats-core" % "2.11.0",
-      "org.typelevel" %%% "cats-effect" % "3.6.1",
-      "org.typelevel" %%% "cats-effect-testkit" % "3.6.1" % Test,
+      "org.typelevel" %%% "cats-effect" % "3.6.3",
+      "org.typelevel" %%% "cats-effect-testkit" % "3.6.3" % Test,
       "co.fs2" %%% "fs2-core" % "3.12.0",
       "org.typelevel" %%% "munit-cats-effect" % "2.1.0" % Test,
       "org.typelevel" %%% "scalacheck-effect-munit" % "2.0.0-M2" % Test