diff --git a/project/plugins.sbt b/project/plugins.sbt
index 9bcdad9f..1a1dbb21 100644
--- a/project/plugins.sbt
+++ b/project/plugins.sbt
@@ -1,9 +1,9 @@
 resolvers += Classpaths.sbtPluginReleases
 resolvers += "Typesafe Repository" at "https://repo.typesafe.com/typesafe/releases/"
 
-addSbtPlugin("com.github.sbt"    % "sbt-ci-release"  % "1.5.12")
+addSbtPlugin("com.github.sbt"    % "sbt-ci-release"  % "1.5.10")
 addSbtPlugin("de.heikoseeberger" % "sbt-header"      % "5.10.0")
-addSbtPlugin("com.47deg"         % "sbt-microsites"  % "1.4.4")
+addSbtPlugin("com.47deg"         % "sbt-microsites"  % "1.3.4")
 addSbtPlugin("org.scalameta"     % "sbt-mdoc"        % "2.3.7")
 addSbtPlugin("org.scalameta"     % "sbt-scalafmt"    % "2.5.2")
 addSbtPlugin("org.typelevel"     % "sbt-tpolecat"    % "0.5.0")