diff --git a/build.sbt b/build.sbt
index 49a488f48..063e05e16 100644
--- a/build.sbt
+++ b/build.sbt
@@ -40,18 +40,19 @@ lazy val psforeverSettings = Seq(
   classLoaderLayeringStrategy := ClassLoaderLayeringStrategy.Flat,
   resolvers += "Sonatype OSS Snapshots" at "https://oss.sonatype.org/content/repositories/snapshots",
   libraryDependencies ++= Seq(
-    "com.typesafe.akka"          %% "akka-actor"                 % "2.8.0",
-    "com.typesafe.akka"          %% "akka-slf4j"                 % "2.8.0",
-    "com.typesafe.akka"          %% "akka-protobuf-v3"           % "2.8.0",
-    "com.typesafe.akka"          %% "akka-stream"                % "2.8.0",
-    "com.typesafe.akka"          %% "akka-testkit"               % "2.8.0" % "test",
-    "com.typesafe.akka"          %% "akka-actor-typed"           % "2.8.0",
-    "com.typesafe.akka"          %% "akka-actor-testkit-typed"   % "2.8.0" % "test",
-    "com.typesafe.akka"          %% "akka-slf4j"                 % "2.8.0",
-    "com.typesafe.akka"          %% "akka-cluster-typed"         % "2.8.0",
-    "com.typesafe.akka"          %% "akka-coordination"          % "2.8.0",
-    "com.typesafe.akka"          %% "akka-cluster-tools"         % "2.8.0",
-    "com.typesafe.akka"          %% "akka-http"                  % "10.5.0",
+    // Akka 2.8+ is BSL licensed, do not upgrade
+    "com.typesafe.akka"          %% "akka-actor"                 % "2.6.20",
+    "com.typesafe.akka"          %% "akka-slf4j"                 % "2.6.20",
+    "com.typesafe.akka"          %% "akka-protobuf-v3"           % "2.6.20",
+    "com.typesafe.akka"          %% "akka-stream"                % "2.6.20",
+    "com.typesafe.akka"          %% "akka-testkit"               % "2.6.20" % "test",
+    "com.typesafe.akka"          %% "akka-actor-typed"           % "2.6.20",
+    "com.typesafe.akka"          %% "akka-actor-testkit-typed"   % "2.6.20" % "test",
+    "com.typesafe.akka"          %% "akka-slf4j"                 % "2.6.20",
+    "com.typesafe.akka"          %% "akka-cluster-typed"         % "2.6.20",
+    "com.typesafe.akka"          %% "akka-coordination"          % "2.6.20",
+    "com.typesafe.akka"          %% "akka-cluster-tools"         % "2.6.20",
+    "com.typesafe.akka"          %% "akka-http"                  % "10.2.10",
     "com.typesafe.scala-logging" %% "scala-logging"              % "3.9.5",
     "org.specs2"                 %% "specs2-core"                % "4.20.0" % "test",
     "org.scalatest"              %% "scalatest"                  % "3.2.15" % "test",