diff --git a/project/plugins.sbt b/project/plugins.sbt
index f4aeb70..40d950e 100644
--- a/project/plugins.sbt
+++ b/project/plugins.sbt
@@ -8,7 +8,7 @@ addSbtPlugin("com.github.sbt" % "sbt-release" % "1.0.15")
 addSbtPlugin("org.xerial.sbt" % "sbt-sonatype" % "3.9.7")
 addSbtPlugin("com.jsuereth" % "sbt-pgp" % "1.1.2")
 addSbtPlugin("org.scoverage" % "sbt-scoverage" % "1.7.0")
-addSbtPlugin("org.scoverage" % "sbt-coveralls" % "1.2.7")
+addSbtPlugin("org.scoverage" % "sbt-coveralls" % "1.3.8")
 
 addSbtPlugin("com.typesafe.sbt" % "sbt-ghpages" % "0.6.3")
 addSbtPlugin("com.typesafe.sbt" % "sbt-site" % "1.4.1")