diff --git a/README.md b/README.md
index 0bd2f454d..8e50d113e 100644
--- a/README.md
+++ b/README.md
@@ -231,7 +231,7 @@ The following core Node.js modules (v7.7.1) have been implemented:
 | vm                    | The vm module provides APIs for compiling and running code within V8 Virtual Machine contexts.|
 | zlib                  | This provides bindings to Gzip/Gunzip, Deflate/Inflate, and DeflateRaw/InflateRaw classes. |
 
-*NOTE*: The SBT artifact for the complete Node.js platform is: "io.scalajs.npm" %%% "nodejs" % "0.4.0-pre1" 
+*NOTE*: The SBT artifact for the complete Node.js platform is: "io.scalajs.npm" %%% "nodejs" % "0.4.0-pre2" 
 
 <a name="npm_modules">
 #### Third-party Modules
@@ -298,7 +298,7 @@ The following Third Party/OSS Node.js (npm) modules have been implemented:
 | [winston-daily-rotate-file](https://github.com/scalajs-io/winston-daily-rotate-file)  | 1.4.4   | A multi-transport async logging library for Node.js. |    
 | [xml2js](https://github.com/scalajs-io/xml2js)                                        | 0.4.16  | Simple XML to JavaScript object converter. |
 
-*NOTE*: The full SBT artifact expression is: "io.scalajs.npm" %%% "xxxx" % version (e.g. "io.scalajs.npm" %%% "express" % "0.4.0-pre1")
+*NOTE*: The full SBT artifact expression is: "io.scalajs.npm" %%% "xxxx" % version (e.g. "io.scalajs.npm" %%% "express" % "0.4.0-pre2")
 
 I've provided an example to demonstrate how similar the Scala.js code is to the JavaScript
 that it replaces.
diff --git a/build.sbt b/build.sbt
index 51928932d..f9990cb60 100644
--- a/build.sbt
+++ b/build.sbt
@@ -5,7 +5,7 @@ import sbt._
 
 import scala.language.postfixOps
 
-val scalaJsIOVersion = "0.4.0-pre1"
+val scalaJsIOVersion = "0.4.0-pre2"
 val apiVersion = scalaJsIOVersion
 val scalaJsVersion = "2.12.1"
 
diff --git a/package.json b/package.json
index 426fb28e9..5ace53cce 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "nodejs-sfs",
-  "version": "0.4.0-pre1",
+  "version": "0.4.0-pre2",
   "private": true,
   "dependencies": {
     "source-map": "^0.5.6"
diff --git a/src/test/resources/watchfile.json b/src/test/resources/watchfile.json
index c5a4f05d3..4021e01a8 100644
--- a/src/test/resources/watchfile.json
+++ b/src/test/resources/watchfile.json
@@ -1,6 +1,6 @@
 {
   "name": "scalajs-io",
-  "version": "0.4.0-pre1",
+  "version": "0.4.0-pre2",
   "private": true,
   "dependencies": {
     "async": "^2.0.1",