2 files changed, 2 insertions, 2 deletions
diff --git a/build.sbt b/build.sbt
index 5c051ff5..a9e18216 100644
--- a/build.sbt
+++ b/build.sbt
@@ -61,7 +61,7 @@ lazy val chiselSettings = Seq (
   libraryDependencies ++= Seq(
     "org.scalatest" %% "scalatest" % "3.1.2" % "test",
     "org.scalatestplus" %% "scalacheck-1-14" % "3.1.1.1" % "test",
-    "com.github.scopt" %% "scopt" % "3.7.1"
+    "com.github.scopt" %% "scopt" % "4.0.1"
   ),
 ) ++ (
   // Tests from other projects may still run concurrently
diff --git a/build.sc b/build.sc
index 78b9307e..80a96fa0 100644
--- a/build.sc
+++ b/build.sc
@@ -107,7 +107,7 @@ class chisel3CrossModule(val crossScalaVersion: String) extends CommonModule wit
     override def ivyDeps = m.ivyDeps() ++ Agg(
       ivy"org.scalatest::scalatest:3.1.2",
       ivy"org.scalatestplus::scalacheck-1-14:3.1.1.1",
-      ivy"com.github.scopt::scopt:3.7.1"
+      ivy"com.github.scopt::scopt:4.0.1"
     ) ++ m.treadleIvyDeps
 
     override def moduleDeps = super.moduleDeps ++ treadleModule