diff --git a/project/plugins.sbt b/project/plugins.sbt
index df613d6..0236f62 100644
--- a/project/plugins.sbt
+++ b/project/plugins.sbt
@@ -6,7 +6,7 @@ addSbtPlugin("com.github.sbt"     % "sbt-release"         % "1.4.0")
 addSbtPlugin("pl.project13.scala" % "sbt-jmh"             % "0.4.8")
 addSbtPlugin("org.scoverage"      % "sbt-scoverage"       % "2.4.3")
 addSbtPlugin("org.scoverage"      % "sbt-coveralls"       % "1.3.11")
-addSbtPlugin("org.wartremover"    % "sbt-wartremover"     % "3.5.1")
+addSbtPlugin("org.wartremover"    % "sbt-wartremover"     % "3.5.6")
 addSbtPlugin("org.scoverage"      % "sbt-coveralls"       % "1.3.15")
 addSbtPlugin("com.eed3si9n"       % "sbt-buildinfo"       % "0.13.1")