diff --git a/build.sbt b/build.sbt
index 62d22aa..e4b0a77 100644
--- a/build.sbt
+++ b/build.sbt
@@ -20,8 +20,8 @@ publishTo := Some(Resolver.evolutionReleases)
 
 libraryDependencies ++= Seq(
   "com.evolutiongaming" %% "future-helper" % "1.0.6",
-  "com.typesafe.akka"   %% "akka-actor"    % "2.6.8",
-  "com.typesafe.akka"   %% "akka-testkit"  % "2.6.8" % Test,
+  "com.typesafe.akka"   %% "akka-actor"    % "2.6.20",
+  "com.typesafe.akka"   %% "akka-testkit"  % "2.6.20" % Test,
   "org.scalatest"       %% "scalatest"     % "3.2.9"  % Test)
 
 licenses := Seq(("MIT", url("https://opensource.org/licenses/MIT")))