diff --git a/project/plugins.sbt b/project/plugins.sbt
index 883a8d6bc0..09aba1aee0 100644
--- a/project/plugins.sbt
+++ b/project/plugins.sbt
@@ -12,4 +12,4 @@ addSbtPlugin("com.github.tkawachi" % "sbt-doctest"           % "0.5.0")
 addSbtPlugin("org.xerial.sbt"      % "sbt-sonatype"          % "1.1")
 addSbtPlugin("com.47deg"           % "sbt-microsites"        % "0.6.1")
 addSbtPlugin("com.dwijnand"        % "sbt-travisci"          % "1.1.0")
-addSbtPlugin("org.lyranthe.sbt"    % "partial-unification"   % "1.0.0")
+addSbtPlugin("org.lyranthe.sbt"    % "partial-unification"   % "1.1.0")