diff --git a/mima/build.sbt b/mima/build.sbt
index 96044e45..98756dce 100644
--- a/mima/build.sbt
+++ b/mima/build.sbt
@@ -1 +1 @@
-addSbtPlugin("com.typesafe" % "sbt-mima-plugin" % "1.1.6")
+addSbtPlugin("com.typesafe" % "sbt-mima-plugin" % "1.2.1")
diff --git a/sonatype/build.sbt b/sonatype/build.sbt
index 86eab2d9..bc266947 100644
--- a/sonatype/build.sbt
+++ b/sonatype/build.sbt
@@ -1,2 +1,2 @@
-addSbtPlugin("com.typesafe" % "sbt-mima-plugin" % "1.1.6")
+addSbtPlugin("com.typesafe" % "sbt-mima-plugin" % "1.2.1")
 addSbtPlugin("com.github.sbt" % "sbt-unidoc" % "0.6.1")