diff --git a/.scalafmt.conf b/.scalafmt.conf
index 60f578d..a5f80a8 100644
--- a/.scalafmt.conf
+++ b/.scalafmt.conf
@@ -1,4 +1,4 @@
-version = 2.2.2
+version = 2.7.5
 style = defaultWithAlign
 maxColumn = 160
 align.openParenCallSite = false
diff --git a/build.sbt b/build.sbt
index d4da680..1400ded 100644
--- a/build.sbt
+++ b/build.sbt
@@ -7,16 +7,16 @@ libraryDependencies ++= {
   val akkaHttpV = "10.2.1"
 
   Seq(
-    "com.pauldijou"             %% "jwt-core"            % "4.3.0",
-    "org.apache.httpcomponents" % "fluent-hc"            % "4.5.13",
-    "org.bouncycastle"          % "bcprov-jdk15on"       % "1.67",
-    "com.typesafe.akka"         %% "akka-actor"          % akkaV,
-    "com.typesafe.akka"         %% "akka-stream"         % akkaV,
-    "com.typesafe.akka"         %% "akka-stream-testkit" % akkaV % Test,
-    "com.typesafe.akka"         %% "akka-http"           % akkaHttpV,
-    "com.typesafe.akka"         %% "akka-http-testkit"   % akkaHttpV % Test,
-    "org.scalatest"             %% "scalatest"           % "3.3.0-SNAP2" % Test,
-    "com.github.tomakehurst"    % "wiremock"             % "2.27.2" % Test,
+    "com.pauldijou"            %% "jwt-core"            % "4.3.0",
+    "org.apache.httpcomponents" % "fluent-hc"           % "4.5.13",
+    "org.bouncycastle"          % "bcprov-jdk15on"      % "1.67",
+    "com.typesafe.akka"        %% "akka-actor"          % akkaV,
+    "com.typesafe.akka"        %% "akka-stream"         % akkaV,
+    "com.typesafe.akka"        %% "akka-stream-testkit" % akkaV         % Test,
+    "com.typesafe.akka"        %% "akka-http"           % akkaHttpV,
+    "com.typesafe.akka"        %% "akka-http-testkit"   % akkaHttpV     % Test,
+    "org.scalatest"            %% "scalatest"           % "3.3.0-SNAP2" % Test,
+    "com.github.tomakehurst"    % "wiremock"            % "2.27.2"      % Test,
   )
 }
 
@@ -45,10 +45,10 @@ publishTo in ThisBuild := {
 scmInfo := Some(
   ScmInfo(
     url("https://github.com/TeamWanari/web-push"),
-    "scm:git:git@github.com:TeamWanari/web-push.git"
-  )
+    "scm:git:git@github.com:TeamWanari/web-push.git",
+  ),
 )
 
 developers := List(
-  Developer("Csabi", "Csaba Pálfi", "csibcsab@wanari.com", url("https://www.wanari.com"))
+  Developer("Csabi", "Csaba Pálfi", "csibcsab@wanari.com", url("https://www.wanari.com")),
 )
diff --git a/src/main/scala/com/wanari/webpush/Encryption.scala b/src/main/scala/com/wanari/webpush/Encryption.scala
index 0212bfd..dd24874 100644
--- a/src/main/scala/com/wanari/webpush/Encryption.scala
+++ b/src/main/scala/com/wanari/webpush/Encryption.scala
@@ -5,8 +5,7 @@ import java.security.{KeyPairGenerator, PublicKey, SecureRandom}
 import org.bouncycastle.jce.ECNamedCurveTable
 import org.bouncycastle.jce.provider.BouncyCastleProvider
 
-/**
-  * Encryption object to mange payload ECDH encryption.
+/** Encryption object to mange payload ECDH encryption.
   */
 object Encryption {
   private val localCurve = KeyPairGenerator.getInstance("ECDH", BouncyCastleProvider.PROVIDER_NAME)
diff --git a/src/main/scala/com/wanari/webpush/HttpEce.scala b/src/main/scala/com/wanari/webpush/HttpEce.scala
index 12c14f2..a9b1b46 100644
--- a/src/main/scala/com/wanari/webpush/HttpEce.scala
+++ b/src/main/scala/com/wanari/webpush/HttpEce.scala
@@ -11,8 +11,7 @@ import org.bouncycastle.crypto.generators.HKDFBytesGenerator
 import org.bouncycastle.crypto.params.HKDFParameters
 import org.bouncycastle.jce.provider.BouncyCastleProvider
 
-/**
-  * A simplified implementation of HTTP ECE (Encrypted Content Encoding).
+/** A simplified implementation of HTTP ECE (Encrypted Content Encoding).
   */
 object HttpEce {
   def encrypt(keys: KeyPair, buffer: Array[Byte], salt: Array[Byte], dh: PublicKey, authSecret: Array[Byte]): Array[Byte] = {
diff --git a/src/main/scala/com/wanari/webpush/PushService.scala b/src/main/scala/com/wanari/webpush/PushService.scala
index d0bd74f..87e6241 100644
--- a/src/main/scala/com/wanari/webpush/PushService.scala
+++ b/src/main/scala/com/wanari/webpush/PushService.scala
@@ -14,24 +14,21 @@ import pdi.jwt.JwtAlgorithm.ES256
 import scala.concurrent.Future
 import scala.concurrent.duration._
 
-/**
-  * Push service.
+/** Push service.
   */
 case class PushService(publicKey: ECPublicKey, privateKey: ECPrivateKey, subject: String, exp: FiniteDuration = 12.hours)(implicit as: ActorSystem) {
   protected def httpExt: HttpExt = Http()
   private val base64encoder      = Base64.getUrlEncoder
   private val defaultTtl: Int    = 2419200
 
-  /**
-    * Send a data free push notification.
+  /** Send a data free push notification.
     *
     * @param subscription Browser subscription object.
     * @return HttpResponse from push server.
     */
   def send(subscription: Subscription): Future[HttpResponse] = send(subscription, None, defaultTtl)
 
-  /**
-    * Send a data free push notification.
+  /** Send a data free push notification.
     *
     * @param subscription Browser subscription object.
     * @param ttl          Suggestion to the message server for how long it should keep the message
@@ -40,8 +37,7 @@ case class PushService(publicKey: ECPublicKey, privateKey: ECPrivateKey, subject
     */
   def send(subscription: Subscription, ttl: Int): Future[HttpResponse] = send(subscription, None, ttl)
 
-  /**
-    * Sends a data bearing push notification.
+  /** Sends a data bearing push notification.
     *
     * @param subscription Browser subscription object.
     * @param payload      Push notification payload.
@@ -53,9 +49,7 @@ case class PushService(publicKey: ECPublicKey, privateKey: ECPrivateKey, subject
 
   def send(subscription: Subscription, payload: String): Future[HttpResponse] = send(subscription, Some(payload.getBytes), defaultTtl)
 
-  /**
-    *
-    * Sends a data bearing push notification.
+  /** Sends a data bearing push notification.
     *
     * @param subscription Browser subscription object.
     * @param payload      Push notification data as a Byte Array.
@@ -65,8 +59,7 @@ case class PushService(publicKey: ECPublicKey, privateKey: ECPrivateKey, subject
     */
   def send(subscription: Subscription, payload: Array[Byte], ttl: Int = defaultTtl): Future[HttpResponse] = send(subscription, Some(payload), ttl)
 
-  /**
-    * Returns the server public key as a URL safe base64 string.
+  /** Returns the server public key as a URL safe base64 string.
     */
   def publicKeyToBase64: String = {
     base64encoder.withoutPadding().encodeToString(Utils.publicKeyToBytes(publicKey.asInstanceOf[ECPublicKey]))