diff --git a/build.sbt b/build.sbt
index 939c2f7..b222fd1 100644
--- a/build.sbt
+++ b/build.sbt
@@ -23,7 +23,7 @@ releaseCrossBuild := true
 Compile / doc / scalacOptions ++= Seq("-groups", "-implicits", "-no-link-warnings")
 
 libraryDependencies ++= Seq(
-  "com.typesafe.akka" %% "akka-stream" % "2.6.8",
+  "com.typesafe.akka" %% "akka-stream" % "2.6.20",
   "com.typesafe.akka" %% "akka-http"   % "10.2.4",
   "com.typesafe.play" %% "play-json"   % "2.9.2")