diff --git a/.travis.yml b/.travis.yml
index 0af0a7c..8812d26 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,6 +1,16 @@
 language: scala
+
+env:
+  global:
+    - PUBLISH_JDK=openjdk6 # admin/build.sh only publishes when running on this jdk
+# Don't commit sensitive files, instead commit a version encrypted with $SECRET,
+# this environment variable is encrypted with this repo's private key and stored below:
+# (See http://docs.travis-ci.com/user/environment-variables/#Secure-Variables.)
+    - secure: "L51aaOUw+VZQB6XW4e3MrediaFx8hH876sSXUkEDyoYpWo+xYOBS5xj9zlTAuIDFunbsetk9CX1q22nYdfQjhlb49bxm9WyOsZp1ZmoEmWUG3NoEAZVu0dWt9Gtn1Qz3xiBiS5kzpWMEviBH/DyE1Go2BateUpzs2CfGW8eG0ss="
+
 script:
-  - sbt ++$TRAVIS_SCALA_VERSION compile
+  - admin/build.sh
+
 scala:
   - 2.11.2
 jdk:
diff --git a/admin/build.sh b/admin/build.sh
new file mode 100755
index 0000000..9cd380e
--- /dev/null
+++ b/admin/build.sh
@@ -0,0 +1,19 @@
+#!/bin/bash
+
+# prep environment for publish to sonatype staging if the HEAD commit is tagged
+
+# git on travis does not fetch tags, but we have TRAVIS_TAG
+# headTag=$(git describe --exact-match ||:)
+
+if [ "$TRAVIS_JDK_VERSION" == "$PUBLISH_JDK" ] && [[ "$TRAVIS_TAG" =~ ^v[0-9]+\.[0-9]+\.[0-9]+(-[A-Za-z0-9-]+)? ]]; then
+  echo "Going to release from tag $TRAVIS_TAG!"
+  myVer=$(echo $TRAVIS_TAG | sed -e s/^v//)
+  publishVersion='set every version := "'$myVer'"'
+  extraTarget="publish-signed"
+
+  cat admin/gpg.sbt >> project/plugins.sbt
+  admin/decrypt.sh sensitive.sbt
+  (cd admin/ && ./decrypt.sh secring.asc)
+fi
+
+sbt ++$TRAVIS_SCALA_VERSION "$publishVersion" compile $extraTarget
\ No newline at end of file
diff --git a/admin/decrypt.sh b/admin/decrypt.sh
new file mode 100755
index 0000000..3c3c602
--- /dev/null
+++ b/admin/decrypt.sh
@@ -0,0 +1,2 @@
+#!/bin/bash
+openssl aes-256-cbc -pass "pass:$SECRET" -in $1.enc -out $1 -d -a
\ No newline at end of file
diff --git a/admin/encrypt.sh b/admin/encrypt.sh
new file mode 100755
index 0000000..4bf6c93
--- /dev/null
+++ b/admin/encrypt.sh
@@ -0,0 +1,2 @@
+#!/bin/bash
+openssl aes-256-cbc -pass "pass:$SECRET" -in $1 -out $1.enc -a
\ No newline at end of file
diff --git a/admin/encryptAll.sh b/admin/encryptAll.sh
new file mode 100755
index 0000000..de7016b
--- /dev/null
+++ b/admin/encryptAll.sh
@@ -0,0 +1,19 @@
+#!/bin/bash
+
+# Based on https://gist.github.com/kzap/5819745:
+
+echo "This will encrypt the cleartext sensitive.sbt and admin/secring.asc, while making the encrypted versions available for decryption on Travis."
+echo "Update your .travis.yml as directed, and delete the cleartext versions."
+echo "Press enter to continue."
+read
+
+# 1. create a secret, put it in an environment variable while encrypting files -- UNSET IT AFTER
+export SECRET=$(cat /dev/urandom | head -c 10000 | openssl sha1)
+
+# 2. add the "secure: ..." line under the env section -- generate it with ``  (install the travis gem first)
+travis encrypt SECRET=$SECRET
+
+admin/encrypt.sh admin/secring.asc
+admin/encrypt.sh sensitive.sbt
+
+echo "Remember to rm sensitive.sbt admin/secring.asc -- once you do, they cannot be recovered (except on Travis)!"
\ No newline at end of file
diff --git a/admin/gpg.sbt b/admin/gpg.sbt
new file mode 100644
index 0000000..01157e6
--- /dev/null
+++ b/admin/gpg.sbt
@@ -0,0 +1,26 @@
+
+addSbtPlugin("com.typesafe.sbt" % "sbt-pgp" % "0.8.3") // only added when publishing:
+
+// There's a companion sensitive.sbt, which was created like this:
+//
+// 1. in an sbt shell that has the sbt-pgp plugin, create pgp key in admin/:
+//
+// sbt
+//  set pgpReadOnly := false
+//  set pgpPublicRing := file("admin/pubring.asc")
+//  set pgpSecretRing := file("admin/secring.asc")
+//  pgp-cmd gen-key // use $passPhrase
+// 	 Please enter the name associated with the key: $repoName
+// 	 Please enter the email associated with the key: scala-internals@googlegroups.com
+// 	 Please enter the passphrase for the key: $passphrase
+//
+// 2. create sensitive.sbt with contents:
+//
+// pgpPassphrase := Some($passPhrase.toArray)
+//
+// pgpPublicRing := file("admin/pubring.asc")
+//
+// pgpSecretRing := file("admin/secring.asc")
+//
+// credentials   += Credentials("Sonatype Nexus Repository Manager", "oss.sonatype.org", $sonaUser, $sonaPass)
+
diff --git a/admin/pubring.asc b/admin/pubring.asc
new file mode 100644
index 0000000..a71aad8
--- /dev/null
+++ b/admin/pubring.asc
@@ -0,0 +1,18 @@
+-----BEGIN PGP PUBLIC KEY BLOCK-----
+Version: BCPG v1.49
+
+mQENBFSA71YBCAC1XINswc+5P1WsKqpbaQRtKa4JHrOXzqAmYtFERAapIDxnkeR1
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+Ty2eQFIIk8yG3elSUAAKBHJDOm3m5LTQF6RNjIvfCfQQ1yci26kt3No9cg==
+=VhJN
+-----END PGP PUBLIC KEY BLOCK-----
diff --git a/admin/secring.asc.enc b/admin/secring.asc.enc
new file mode 100644
index 0000000..f28f79e
--- /dev/null
+++ b/admin/secring.asc.enc
@@ -0,0 +1,40 @@
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diff --git a/build.sbt b/build.sbt
index 22b0412..893fe27 100644
--- a/build.sbt
+++ b/build.sbt
@@ -1,10 +1,10 @@
 scalaModuleSettings
 
-version                    := "0.5-SNAPSHOT"
+version                    := "0.5.0-SNAPSHOT"
 
-scalaVersion               := "2.11.2"
+scalaVersion               := "2.11.4"
 
-snapshotScalaBinaryVersion := "2.11.2"
+snapshotScalaBinaryVersion := "2.11.4"
 
 // dependencies:
 libraryDependencies        += "org.scala-sbt" % "test-interface" % "1.0"
diff --git a/project/build.properties b/project/build.properties
index 64abd37..748703f 100644
--- a/project/build.properties
+++ b/project/build.properties
@@ -1 +1 @@
-sbt.version=0.13.6
+sbt.version=0.13.7
diff --git a/project/plugins.sbt b/project/plugins.sbt
index d59d681..f6b55f8 100644
--- a/project/plugins.sbt
+++ b/project/plugins.sbt
@@ -1 +1 @@
-addSbtPlugin("org.scala-lang.modules" % "scala-module-plugin" % "1.0.1")
\ No newline at end of file
+addSbtPlugin("org.scala-lang.modules" % "scala-module-plugin" % "1.0.2")
diff --git a/sensitive.sbt.enc b/sensitive.sbt.enc
new file mode 100644
index 0000000..91485cb
--- /dev/null
+++ b/sensitive.sbt.enc
@@ -0,0 +1,7 @@
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