diff --git a/build.sbt b/build.sbt
index 36d4953..bea7ca9 100644
--- a/build.sbt
+++ b/build.sbt
@@ -19,13 +19,17 @@ val commons = Seq(
   resolvers += Resolver.sonatypeRepo("releases"),
   scalafmtOnCompile := true,
 // see good explanation https://gist.github.com/djspiewak/7a81a395c461fd3a09a6941d4cd040f2
-  scalacOptions += "-Ypartial-unification"
+  scalacOptions += "-Ypartial-unification",
+  organization        := "one.fluence",
+  bintrayOrganization := Some("fluencelabs"),
 )
 
 commons
 
-lazy val core = project.settings(
+lazy val crotalinae = project.in(file("core")).settings(
   commons,
+  artifact := Artifact("crotalinae"),
+  version := "0.0.4",
   libraryDependencies ++= Seq(
     "org.typelevel" %% "cats-core" % "1.2.0",
     "org.typelevel" %% "cats-free" % "1.2.0",
@@ -38,9 +42,10 @@ lazy val core = project.settings(
 
 lazy val root = project
   .in(file("."))
-  .dependsOn(core)
-  .aggregate(core)
+  .dependsOn(crotalinae)
+  .aggregate(crotalinae)
   .settings(
-    libraryDependencies ++= Seq("com.chuusai"   %% "shapeless" % "2.3.3"),
-    addCompilerPlugin("org.scalamacros" % "paradise" % "2.1.1" cross CrossVersion.full)
+    libraryDependencies ++= Seq("com.chuusai" %% "shapeless" % "2.3.3"),
+    addCompilerPlugin("org.scalamacros"       % "paradise"   % "2.1.1" cross CrossVersion.full),
+    publishArtifact := false
   )
diff --git a/project/plugins.sbt b/project/plugins.sbt
index f891177..407d1b8 100644
--- a/project/plugins.sbt
+++ b/project/plugins.sbt
@@ -1 +1,3 @@
-addSbtPlugin("com.geirsson" % "sbt-scalafmt" % "1.4.0")
\ No newline at end of file
+addSbtPlugin("com.geirsson" % "sbt-scalafmt" % "1.4.0")
+
+addSbtPlugin("org.foundweekends" % "sbt-bintray" % "0.5.4")
\ No newline at end of file
diff --git a/scastie-settings.sbt_ b/scastie-settings.sbt_
new file mode 100644
index 0000000..41a509e
--- /dev/null
+++ b/scastie-settings.sbt_
@@ -0,0 +1,11 @@
+// use https://scastie.scala-lang.org/
+scalacOptions ++= Seq(
+  "-deprecation",
+  "-encoding", "UTF-8",
+  "-feature",
+  "-unchecked"
+)
+resolvers += Resolver.bintrayRepo("fluencelabs", "maven")
+libraryDependencies += "org.typelevel" %% "cats-core" % "1.2.0"
+libraryDependencies += "one.fluence" %% "crotalinae" % "0.0.4"
+libraryDependencies += "com.chuusai" %% "shapeless" % "2.3.3"
\ No newline at end of file
diff --git a/src/main/scala/fluence/Auction.scala b/src/main/scala/fluence/Auction.scala
index 2246188..11ab0e6 100644
--- a/src/main/scala/fluence/Auction.scala
+++ b/src/main/scala/fluence/Auction.scala
@@ -1,7 +1,7 @@
 package fluence
 
-import hackethberlin._
-import hackethberlin.types._
+import fluence.hackethberlin._
+import fluence.hackethberlin.types._
 import shapeless._
 import Decorator._
 import syntax.singleton._
@@ -51,9 +51,8 @@ object Auction extends App {
     for {
       _ <- `assert`(`<<`(`block.timestamp`, auction_end))
       _ <- `assert`(`>>`(`msg.value`, highest_bid))
-      _ <- `if`(`not`(`:===:`(highest_bid, `msg.value`)), {
-        () =>
-          send(highest_bidder :: highest_bid :: HNil).liftF.map(_ => Void)
+      _ <- `if`(`not`(`:===:`(highest_bid, `msg.value`)), { () =>
+        send(highest_bidder :: highest_bid :: HNil).liftF.map(_ => Void)
       })
       _ <- highest_bidder :=: `msg.sender`
       _ <- highest_bid :=: `msg.value`