diff --git a/build.sbt b/build.sbt
index f5a6a611df..e2c0b19e3d 100644
--- a/build.sbt
+++ b/build.sbt
@@ -21,8 +21,8 @@ lazy val commonSettings = Seq(
   organization := "edu.berkeley.cs",
   name := "firrtl",
   version := "1.5-SNAPSHOT",
-  scalaVersion := "2.12.12",
-  crossScalaVersions := Seq("2.13.2", "2.12.12", "2.11.12"),
+  scalaVersion := "2.12.13",
+  crossScalaVersions := Seq("2.13.4", "2.12.13", "2.11.12"),
   addCompilerPlugin(scalafixSemanticdb),
   scalacOptions := Seq(
     "-deprecation",
diff --git a/project/plugins.sbt b/project/plugins.sbt
index 3ed7accf48..888e09dab2 100644
--- a/project/plugins.sbt
+++ b/project/plugins.sbt
@@ -18,11 +18,11 @@ addSbtPlugin("com.simplytyped" % "sbt-antlr4" % "0.8.2")
 
 addSbtPlugin("com.github.gseitz" % "sbt-protobuf" % "0.6.5")
 
-addSbtPlugin("ch.epfl.scala" % "sbt-scalafix" % "0.9.19")
+addSbtPlugin("ch.epfl.scala" % "sbt-scalafix" % "0.9.25")
 
 addSbtPlugin("com.thoughtworks.sbt-api-mappings" % "sbt-api-mappings" % "3.0.0")
 
-addSbtPlugin("org.scalameta" % "sbt-scalafmt" % "2.4.0")
+addSbtPlugin("org.scalameta" % "sbt-scalafmt" % "2.4.2")
 
 addSbtPlugin("com.typesafe" % "sbt-mima-plugin" % "0.8.1")