diff --git a/.drone.sec b/.drone.sec
new file mode 100644
index 00000000..66e29017
--- /dev/null
+++ b/.drone.sec
@@ -0,0 +1 @@
+eyJhbGciOiJSU0EtT0FFUCIsImVuYyI6IkExMjhHQ00ifQ.oppx3cSUjhzo5xCsV3FPEZd5Q6lhpDUnpx61GUsiuImgfC5zTd-emiJX8vV9vBHMKe_iiiCVPIGOpvqp6TIxZ7q92T28eEJGn6D1r1mwlXFpR21SV9OkUqDqtNWQMbYZKKd3fiFlrKa1_EB-8ivS3kIOUlryeAVHQfKE28s1YGkCq7hEeSfIAE9NW3Imu5hL29V4RU8PRMr_j2Nc_Fu86kGgZ7nEUfxDpqsn-mrSnTlALDARu709WTeZ3qgLl51LoXCnCcgjvsNh88UI_3BQtAJQg5OQN6Fu6tdCDCYB6_fB4R2eRRsAewUt_oHKskcwz-Es80uRJO3reNRcg_wnMg.ioaBTHD5-_-EKtSs.D_kiy4tzK6QsJRQi4z5xEY131o5cwXTOjwGcm6uRc8nDu8SU3s7h5GA0NwkG-35qExaSq7R_FwyfT5E8Qpdau0vHf359YJA6PcaUcC6mml6LGgldCiwurX50oAqZmwZyglHRqu3o6-X2gW8Kr856berPmco1hPNfA4AJ9N-_MS61urFY02ejuguxLW-k6IoHJfTlm3PLcdkvHpcLMh6D6pFZnBVbTzTqnA7Xhtf6PqsS.IqA2b51Hdgr-2wCrGsEFBA
\ No newline at end of file
diff --git a/.drone.yml b/.drone.yml
index 20a18770..1a5b7c06 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -1,8 +1,18 @@
 build:
-  image: olafurpg/scalafix:0.0.1
-  commands:
-    - ./bin/scalafmt --version 0.4.5 --test
-    - sbt clean test
+  tests:
+    image: olafurpg/scalafix:0.0.1
+    commands:
+      - ./bin/scalafmt --version 0.4.5 --test
+      - sbt clean test
+  publish:
+    image: olafurpg/scalafix:0.0.1
+    environment:
+      - BINTRAY_USERNAME=$$BINTRAY_USERNAME
+      - BINTRAY_API_KEY=$$BINTRAY_API_KEY
+    commands:
+      - ./bin/bintray.sh
+    when:
+      branch: [master, 4.x]
 cache:
   mount:
     - $HOME/.scalafmt-bin
diff --git a/bin/bintray.sh b/bin/bintray.sh
new file mode 100755
index 00000000..3de8022c
--- /dev/null
+++ b/bin/bintray.sh
@@ -0,0 +1,15 @@
+#!/usr/bin/env bash
+
+if [[ "$CI_BRANCH" == "master" || "$CI_BRANCH" == "4.x" ]]; then
+  PUBLISH=publish
+  mkdir -p ~/.bintray
+  cat > ~/.bintray/.credentials <<EOF
+realm = Bintray API Realm
+host = api.bintray.com
+user = $BINTRAY_USERNAME
+password = $BINTRAY_API_KEY
+EOF
+  sbt ++$SCALA_VERSION "$PUBLISH"
+fi
+
+
diff --git a/build.sbt b/build.sbt
index c5ba1a1d..8bdd62ba 100644
--- a/build.sbt
+++ b/build.sbt
@@ -1,6 +1,11 @@
-lazy val ScalaVersions = Seq("2.11.8")
-lazy val MetaOrg       = "org.scalameta"
-lazy val MetaVersion   = "1.2.0"
+import scala.util.Try
+
+lazy val ScalaVersions  = Seq("2.11.8")
+lazy val MetaOrg        = "org.scalameta"
+lazy val MetaVersion    = "1.2.0"
+lazy val LibraryVersion = "3.0.0-SNAPSHOT"
+lazy val isSnapshot     = LibraryVersion.endsWith("SNAPSHOT")
+lazy val PRVersion      = latestPullRequestVersion()
 
 // ==========================================
 // Settings
@@ -11,11 +16,11 @@ lazy val sharedSettings: Seq[Def.Setting[_]] =
     Seq(
       scalaVersion := ScalaVersions.head,
       crossVersion := CrossVersion.full,
-      version := "3.0.0-SNAPSHOT",
+      version := PRVersion.getOrElse(LibraryVersion),
       organization := "org.scalameta",
       description := "Empowers production Scala compiler with latest macro developments",
       resolvers += Resolver.sonatypeRepo("releases"),
-      publishMavenStyle := true,
+      publishMavenStyle := !isSnapshot,
       publishArtifact := false,
       scalacOptions ++= Seq("-deprecation", "-feature", "-unchecked"),
       logBuffered := false,
@@ -154,18 +159,21 @@ lazy val plugin = Project(id = "paradise", base = file("plugin"))
       IO.copy(List(fatJar -> slimJar), overwrite = true)
       (art, slimJar)
     },
-    publishMavenStyle := true,
+    publishMavenStyle := !isSnapshot,
     publishArtifact in Compile := true,
-    publishTo <<= version { v: String =>
+    publishTo := {
       val nexus = "https://oss.sonatype.org/"
-      if (v.trim.endsWith("SNAPSHOT"))
-        Some("snapshots" at nexus + "content/repositories/snapshots")
-      else
-        Some("releases" at nexus + "service/local/staging/deploy/maven2")
+      println("PRVERSION: " + PRVersion)
+      if (PRVersion.isDefined) (publishTo in bintray).value
+      else if (isSnapshot) Some("snapshots" at nexus + "content/repositories/snapshots")
+      else Some("releases" at nexus + "service/local/staging/deploy/maven2")
     },
     pomIncludeRepository := { x =>
       false
     },
+    bintrayOrganization := Some("scalameta"),
+    licenses +=
+      "BSD" -> url("https://github.com/scalameta/paradise/blob/master/LICENSE.md"),
     pomExtra := (
       <url>https://github.com/scalameta/paradise</url>
               <inceptionYear>2012</inceptionYear>
@@ -191,8 +199,8 @@ lazy val plugin = Project(id = "paradise", base = file("plugin"))
                   <url>http://xeno.by</url>
                 </developer>
               </developers>
-    ),
-    credentials ++= loadCredentials()
+    )
+//    , credentials ++= loadCredentials()
   )
 
 lazy val testsCommon = project
@@ -233,3 +241,26 @@ lazy val testsConverter = project
     exposePaths("testsConverter", Test)
   )
   .dependsOn(testsCommon, plugin)
+
+def parsePullRequestFromCommitMessage: Option[String] = {
+  import sys.process._
+  val PullRequest = "\\s+Merge pull request #(\\d+).*".r
+  for {
+    commitMsg <- Try(Seq("git", "log", "-1").!!.trim).toOption
+    pr <- augmentString(commitMsg).lines.collectFirst {
+      case PullRequest(pr) => pr
+    }
+  } yield pr
+}
+
+/** Replaces -SNAPSHOT with latest pull request number, if it exists.j */
+def latestPullRequestVersion(): Option[String] = {
+  for {
+    _ <- sys.env.get("BINTRAY_API_KEY")
+    if isSnapshot
+    if !sys.env.contains("CI_PULL_REQUEST")
+    pullRequest <- parsePullRequestFromCommitMessage
+  } yield {
+    LibraryVersion.replace("-SNAPSHOT", s".$pullRequest")
+  }
+}
diff --git a/project/plugins.sbt b/project/plugins.sbt
index 512b366a..aa33119d 100644
--- a/project/plugins.sbt
+++ b/project/plugins.sbt
@@ -1,3 +1,5 @@
+addSbtPlugin("me.lessis" % "bintray-sbt" % "0.3.0")
+
 addSbtPlugin("io.get-coursier" % "sbt-coursier" % "1.0.0-M14")
 
 addSbtPlugin("com.jsuereth" % "sbt-pgp" % "1.0.0")