diff --git a/project/plugins.sbt b/project/plugins.sbt
index 1f5aace..4ea75cc 100644
--- a/project/plugins.sbt
+++ b/project/plugins.sbt
@@ -1,6 +1,6 @@
-addSbtPlugin("pl.project13.scala"  % "sbt-jmh"        % "0.4.6")
+addSbtPlugin("pl.project13.scala"  % "sbt-jmh"        % "0.4.7")
 addSbtPlugin("org.scalameta"       % "sbt-scalafmt"   % "2.5.2")
 addSbtPlugin("com.github.sbt"      % "sbt-ci-release" % "1.5.12")
 addSbtPlugin("com.github.tkawachi" % "sbt-doctest"    % "0.10.0")
-addSbtPlugin("org.scalameta"       % "sbt-mdoc"       % "2.5.3")
+addSbtPlugin("org.scalameta"       % "sbt-mdoc"       % "2.3.8")
 addSbtPlugin("com.timushev.sbt"    % "sbt-updates"    % "0.6.4")