diff --git a/project/Dependencies.scala b/project/Dependencies.scala
index df985a2..cf9a2a9 100644
--- a/project/Dependencies.scala
+++ b/project/Dependencies.scala
@@ -5,7 +5,7 @@ object Dependencies {
   private val akkaVersion = "2.6.21"
 
   def core(j8compatVersion: String) = Seq(
-    "org.scala-lang.modules" %% "scala-collection-compat" % "2.8.1",
+    "org.scala-lang.modules" %% "scala-collection-compat" % "2.13.0",
     "org.scala-lang.modules" %% "scala-java8-compat"      % j8compatVersion,
     "com.typesafe.akka"      %% "akka-actor"              % akkaVersion,
     "com.typesafe.akka"      %% "akka-testkit"            % akkaVersion % Test,