diff --git a/.scalafmt.conf b/.scalafmt.conf
index e661d6c..f216dbf 100644
--- a/.scalafmt.conf
+++ b/.scalafmt.conf
@@ -1 +1,2 @@
+version = "1.5.1"
 maxColumn = 120
\ No newline at end of file
diff --git a/project/coursier.sbt b/project/coursier.sbt
new file mode 100644
index 0000000..3a2d48e
--- /dev/null
+++ b/project/coursier.sbt
@@ -0,0 +1 @@
+addSbtCoursier
diff --git a/project/plugins.sbt b/project/plugins.sbt
index 0158289..4559fc4 100644
--- a/project/plugins.sbt
+++ b/project/plugins.sbt
@@ -1,17 +1,15 @@
-addSbtPlugin("com.thoughtworks.sbt-best-practice" % "sbt-best-practice" % "7.0.0")
+addSbtPlugin("com.thoughtworks.sbt-best-practice" % "sbt-best-practice" % "7.0.1+28-0b91b5bf")
 
 addSbtPlugin("org.xerial.sbt" % "sbt-sonatype" % "2.5")
 
-addSbtPlugin("com.dwijnand" % "sbt-dynver" % "3.3.0")
+addSbtPlugin("com.dwijnand" % "sbt-dynver" % "3.3.0+14-76cb6848")
 
 addSbtPlugin("com.jsuereth" % "sbt-pgp" % "1.1.2")
 
 addSbtPlugin("org.lyranthe.sbt" % "partial-unification" % "1.1.2")
 
+addSbtPlugin("com.thoughtworks.example" % "sbt-example" % "6.0.1")
+
 addSbtPlugin("org.scala-js" % "sbt-scalajs" % "0.6.27")
 
 addSbtPlugin("com.thoughtworks.sbt-scala-js-map" % "sbt-scala-js-map" % "3.0.0")
-
-addSbtPlugin("com.dwijnand" % "sbt-dynver" % "3.3.0+16-0f6d7799")
-
-addSbtCoursier
diff --git a/project/project/plugins.sbt b/project/project/plugins.sbt
index 08e93dc..76801d0 100644
--- a/project/project/plugins.sbt
+++ b/project/project/plugins.sbt
@@ -1 +1 @@
-addSbtPlugin("io.get-coursier" % "sbt-coursier" % "1.1.0-M11")
+addSbtPlugin("io.get-coursier" % "sbt-coursier" % "1.1.0-M13-4")
diff --git a/secret.sbt b/secret.sbt
index 9d6a568..3279570 100644
--- a/secret.sbt
+++ b/secret.sbt
@@ -1,16 +1,19 @@
-lazy val secret = project.settings(publishArtifact := false).in {
-  val secretDirectory = file(sourcecode.File()).getParentFile / "secret"
-  for (token <- sys.env.get("GITHUB_PERSONAL_ACCESS_TOKEN")) {
-    IO.delete(secretDirectory)
-    org.eclipse.jgit.api.Git
-      .cloneRepository()
-      .setURI("https://github.com/ThoughtWorksInc/tw-data-china-continuous-delivery-password.git")
-      .setDirectory(secretDirectory)
-      .setCredentialsProvider(
-        new org.eclipse.jgit.transport.UsernamePasswordCredentialsProvider(token, "")
-      )
-      .call()
-      .close()
+lazy val secret = {
+  for (token <- sys.env.get("GITHUB_PERSONAL_ACCESS_TOKEN")) yield {
+    val secret = project.settings(publishArtifact := false).in {
+      val secretDirectory = file(sourcecode.File()).getParentFile / "secret"
+      IO.delete(secretDirectory)
+      org.eclipse.jgit.api.Git
+        .cloneRepository()
+        .setURI("https://github.com/ThoughtWorksInc/tw-data-china-continuous-delivery-password.git")
+        .setDirectory(secretDirectory)
+        .setCredentialsProvider(
+          new org.eclipse.jgit.transport.UsernamePasswordCredentialsProvider(token, "")
+        )
+        .call()
+        .close()
+      secretDirectory
+    }
+    secret
   }
-  secretDirectory
-}
+}.getOrElse(null)