diff --git a/.drone.yml b/.drone.yml
index 5ee05c5..51da487 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -1,8 +1,8 @@
 kind: pipeline
 name: default
 steps:
-  - name: build
-    image: tindzk/seed:0.1.4
+  - name: test
+    image: tindzk/seed:0.1.6-15-gac088b5
     commands:
       - apk add --no-cache yarn
       - yarn add jsdom
@@ -18,3 +18,30 @@ steps:
       - rm -rf .bloop build
       - seed --build=build213.toml bloop
       - bloop test pine-jvm pine-js
+  - name: publish_prerelease
+    image: tindzk/seed:0.1.6-15-gac088b5
+    commands:
+      - apk add --no-cache git
+      - git fetch --tags
+      - blp-server &
+      - seed --build=build211.toml bloop
+      - seed publish --build=build211.toml bintray:tindzk/maven2/experiments2 pine:native pine:js pine:jvm
+      - sleep 5
+      - rm -rf .bloop build
+      - seed --build=build212.toml bloop
+      - seed publish --build=build212.toml bintray:tindzk/maven2/experiments2 pine:js pine:jvm
+      - sleep 5
+      - rm -rf .bloop build
+      - seed --build=build213.toml bloop
+      - seed publish --build=build213.toml bintray:tindzk/maven2/experiments2 pine:js pine:jvm
+    environment:
+      BINTRAY_USER:
+        from_secret: bintray_user
+      BINTRAY_API_KEY:
+        from_secret: bintray_api_key
+    when:
+      branch:
+        - master
+        - feat/publish  # TODO remove
+      event:
+        - push
diff --git a/build211.toml b/build211.toml
index a208030..0357c67 100644
--- a/build211.toml
+++ b/build211.toml
@@ -1,3 +1,9 @@
+[package]
+url          = "https://github.com/sparsetech/pine/"
+name         = "pine"
+organisation = "tech.sparse"
+developers   = [["tindzk", "Tim Nieradzik", "tim@sparse.tech"]]
+
 [project]
 scalaVersion   = "2.11.11-bin-typelevel-4"
 scalaJsVersion = "0.6.28"
diff --git a/build212.toml b/build212.toml
index b4fb661..0754ef7 100644
--- a/build212.toml
+++ b/build212.toml
@@ -1,3 +1,9 @@
+[package]
+url          = "https://github.com/sparsetech/pine/"
+name         = "pine"
+organisation = "tech.sparse"
+developers   = [["tindzk", "Tim Nieradzik", "tim@sparse.tech"]]
+
 [project]
 scalaVersion   = "2.12.4-bin-typelevel-4"
 scalaJsVersion = "0.6.28"
diff --git a/build213.toml b/build213.toml
index 8e08062..f98467f 100644
--- a/build213.toml
+++ b/build213.toml
@@ -1,3 +1,9 @@
+[package]
+url          = "https://github.com/sparsetech/pine/"
+name         = "pine"
+organisation = "tech.sparse"
+developers   = [["tindzk", "Tim Nieradzik", "tim@sparse.tech"]]
+
 [project]
 scalaVersion   = "2.13.0"
 scalaJsVersion = "0.6.28"