diff --git a/build.sbt b/build.sbt
index 396c7b6e..05272d10 100644
--- a/build.sbt
+++ b/build.sbt
@@ -36,7 +36,7 @@ lazy val documentation = project
   .enablePlugins(MdocPlugin)
 
 lazy val pluginSettings: Seq[Def.Setting[_]] = Seq(
-  addSbtPlugin("org.scalameta"    % "sbt-mdoc"    % "2.2.20"),
+  addSbtPlugin("org.scalameta"    % "sbt-mdoc"    % "2.2.21"),
   addSbtPlugin("com.typesafe.sbt" % "sbt-ghpages" % "0.6.3"),
   addSbtPlugin("com.typesafe.sbt" % "sbt-site"    % "1.4.1"),
   libraryDependencies ++= Seq(
diff --git a/project/plugins.sbt b/project/plugins.sbt
index f2b6b5b3..90a5d893 100644
--- a/project/plugins.sbt
+++ b/project/plugins.sbt
@@ -5,6 +5,6 @@ addSbtPlugin("com.alejandrohdezma" % "sbt-github"               % "0.9.2")
 addSbtPlugin("com.alejandrohdezma" % "sbt-github-header"        % "0.9.2")
 addSbtPlugin("com.alejandrohdezma" % "sbt-github-mdoc"          % "0.9.2")
 addSbtPlugin("com.alejandrohdezma" % "sbt-remove-test-from-pom" % "0.1.0")
-addSbtPlugin("org.scalameta"       % "sbt-mdoc"                 % "2.2.20")
+addSbtPlugin("org.scalameta"       % "sbt-mdoc"                 % "2.2.21")
 addSbtPlugin("com.typesafe.sbt"    % "sbt-ghpages"              % "0.6.3")
 addSbtPlugin("com.typesafe.sbt"    % "sbt-site"                 % "1.4.1")