diff --git a/build.sbt b/build.sbt
index a7b5743..57760a8 100644
--- a/build.sbt
+++ b/build.sbt
@@ -1,20 +1,28 @@
-import Dependencies._
-import com.github.retronym.SbtOneJar._
+name := "Conway's Game of Life"
+version := conwaysVersion
+organization := "org.juanitodread"
 
-oneJarSettings
+scalaVersion := "2.13.6"
 
-lazy val root = (project in file(".")).
-		settings(
-			name := "Conway's Game of Life",
-			version := "1.1.2",
-			organization := "org.juanitodread",
-			scalaVersion := "2.11.11"
-		).
-		settings(
-			libraryDependencies ++= backendDeps
-		).settings(
-			scalacOptions += "-feature"	
-		).settings(
-			fork := true, // Enabling fork JVM to send the Java parameter that uses another sort algorithm
-			javaOptions ++= Seq("-Djava.util.Arrays.useLegacyMergeSort=true")
-		)
+lazy val root = project in file(".")
+
+lazy val conwaysVersion = "1.2.0"
+lazy val scalaSwingVersion = "3.0.0"
+lazy val scalaLoggingVersion = "3.9.4"
+lazy val logbackVersion = "1.2.6"
+lazy val scalaTestVersion = "3.2.9"
+
+libraryDependencies ++= Seq(
+	"org.scala-lang.modules" %% "scala-swing" % scalaSwingVersion,
+	"com.typesafe.scala-logging" %% "scala-logging" % scalaLoggingVersion,
+	"ch.qos.logback" % "logback-classic" % logbackVersion,
+	"org.scalatest" %% "scalatest" % scalaTestVersion % "test",
+)
+
+scalacOptions += "-feature"
+
+fork := true // Enabling fork JVM to send the Java parameter that uses another sort algorithm
+javaOptions ++= Seq("-Djava.util.Arrays.useLegacyMergeSort=true")
+
+mainClass := Some("org.juanitodread.conwaygameoflife.MainApp")
+assemblyJarName := s"conways-game-of-life_${conwaysVersion}.jar"
diff --git a/dist/conways-game-of-life_1.2.0.jar b/dist/conways-game-of-life_1.2.0.jar
new file mode 100644
index 0000000..9e402a1
Binary files /dev/null and b/dist/conways-game-of-life_1.2.0.jar differ
diff --git a/project/Dependencies.scala b/project/Dependencies.scala
deleted file mode 100644
index 3528197..0000000
--- a/project/Dependencies.scala
+++ /dev/null
@@ -1,40 +0,0 @@
-/**
- * Conway's Game of Life
- *
- * Copyright 2015 juanitodread
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- */
-
-import sbt._
-
-object Dependencies {
-	// versions
-	lazy val scalaSwingVersion = "1.0.1"
-  lazy val scalaLoggingVersion = "3.1.0"
-  lazy val logbackVersion = "1.1.3"
-  lazy val scalaTestVersion = "3.0.1"
-	
-	// libraries
-	val scalaSwing = "org.scala-lang.modules" %% "scala-swing" % scalaSwingVersion
-  val scalaLogging = "com.typesafe.scala-logging" %% "scala-logging" % scalaLoggingVersion
-  val logback    = "ch.qos.logback" % "logback-classic" % logbackVersion
-  val scalaTest = "org.scalatest" %% "scalatest" % scalaTestVersion % "test"
-
-	// projects 
-	val backendDeps = Seq(scalaSwing, 
-                        scalaLogging,
-                        logback,
-                        scalaTest)
-}
diff --git a/project/build.properties b/project/build.properties
index da4bbed..d7ec7ac 100644
--- a/project/build.properties
+++ b/project/build.properties
@@ -1 +1 @@
-sbt.version = 0.13.9
\ No newline at end of file
+sbt.version=1.3.13
\ No newline at end of file
diff --git a/project/plugins.sbt b/project/plugins.sbt
index 3a9b2e7..f879e43 100644
--- a/project/plugins.sbt
+++ b/project/plugins.sbt
@@ -1,8 +1,7 @@
 // Scalariform
-addSbtPlugin("org.scalariform" % "sbt-scalariform" % "1.6.0")
+addSbtPlugin("org.scalariform" % "sbt-scalariform" % "1.8.2")
 
 // Scoverage
 addSbtPlugin("org.scoverage" % "sbt-scoverage" % "1.5.1")
 
-addSbtPlugin("com.typesafe.sbteclipse" % "sbteclipse-plugin" % "3.0.0")
-addSbtPlugin("org.scala-sbt.plugins" % "sbt-onejar" % "0.8")
+addSbtPlugin("com.eed3si9n" % "sbt-assembly" % "1.1.0")
diff --git a/src/main/scala/org/juanitodread/conwaygameoflife/view/ApplicationView.scala b/src/main/scala/org/juanitodread/conwaygameoflife/view/ApplicationView.scala
index edd9086..c6b95c2 100644
--- a/src/main/scala/org/juanitodread/conwaygameoflife/view/ApplicationView.scala
+++ b/src/main/scala/org/juanitodread/conwaygameoflife/view/ApplicationView.scala
@@ -36,6 +36,8 @@ import org.juanitodread.conwaygameoflife.model.cell.{
   State
 }
 
+import scala.language.reflectiveCalls
+
 import ExecutionContext.Implicits.global
 
 /**
@@ -201,8 +203,8 @@ class ApplicationView(val boardSize: Int) extends SimpleSwingApplication with La
             Thread.sleep(ApplicationView.TimeSleep)
           }
         }
-        startFuture onSuccess {
-          case _ => logger.info("Future.onSuccess => Start action stopped")
+        startFuture onComplete {
+          case _ => logger.info("Future.onComplete => Start action stopped")
         }
       }
       case ButtonClicked(component) if component == leftPanel.stopBtn => {
diff --git a/src/test/scala/org/juanitodread/conwaygameoflife/UnitSpec.scala b/src/test/scala/org/juanitodread/conwaygameoflife/UnitSpec.scala
index 6288d25..e4ed0f0 100644
--- a/src/test/scala/org/juanitodread/conwaygameoflife/UnitSpec.scala
+++ b/src/test/scala/org/juanitodread/conwaygameoflife/UnitSpec.scala
@@ -1,6 +1,11 @@
 package org.juanitodread.conwaygameoflife
 
 import org.scalatest._
+import flatspec._
+import matchers._
 
-abstract class UnitSpec extends FlatSpec
-  with Matchers with OptionValues with Inside with Inspectors
\ No newline at end of file
+abstract class UnitSpec extends AnyFlatSpec
+  with should.Matchers
+  with OptionValues
+  with Inside
+  with Inspectors
\ No newline at end of file