diff --git a/build.sbt b/build.sbt
index 6ac4c85e..00605b69 100644
--- a/build.sbt
+++ b/build.sbt
@@ -25,7 +25,9 @@ lazy val commonSettings = Seq(
     "org.typelevel" %% "spire" % "0.16.2",
     "org.scalanlp" %% "breeze" % "1.0",
     "org.json4s" %% "json4s-native" % "3.6.10",
-    "junit" % "junit" % "4.13"
+    "junit" % "junit" % "4.13",
+    "org.apache.commons" % "commons-text" % "1.8",
+    "net.jcazevedo" %% "moultingyaml" % "0.4.2"
   ),
   addCompilerPlugin("org.scalamacros" % "paradise" % "2.1.0" cross CrossVersion.full),
   unmanagedBase := (chipyardRoot / unmanagedBase).value,
@@ -98,12 +100,13 @@ lazy val firrtl_interpreter = (project in file("tools/firrtl-interpreter"))
   .settings(commonSettings)
 
 lazy val treadle = (project in file("tools/treadle"))
+  .dependsOn(firrtlRef)
   .settings(commonSettings)
 
 lazy val chisel_testers = (project in file("tools/chisel-testers"))
   .sourceDependency(chisel, chiselLib)
   .settings(addCompilerPlugin(chiselPluginLib))
-  .dependsOn(firrtl_interpreter, treadle)
+  .dependsOn(firrtl_interpreter, treadle, firrtlRef)
   .settings(
     commonSettings,
     libraryDependencies ++= Seq(
diff --git a/project/plugins.sbt b/project/plugins.sbt
index 496deb8d..61e69a3d 100644
--- a/project/plugins.sbt
+++ b/project/plugins.sbt
@@ -11,7 +11,7 @@ addSbtPlugin("com.eed3si9n" % "sbt-unidoc" % "0.4.1")
 addSbtPlugin("org.scoverage" % "sbt-scoverage" % "1.5.1")
 addSbtPlugin("org.scalastyle" %% "scalastyle-sbt-plugin" % "1.0.0")
 addSbtPlugin("com.eed3si9n" % "sbt-assembly" % "0.15.0")
-addSbtPlugin("com.simplytyped" % "sbt-antlr4" % "0.8.1")
+addSbtPlugin("com.simplytyped" % "sbt-antlr4" % "0.8.2")
 addSbtPlugin("com.github.gseitz" % "sbt-protobuf" % "0.6.3")
 addSbtPlugin("ch.epfl.scala" % "sbt-scalafix" % "0.9.21")
 addSbtPlugin("com.typesafe" % "sbt-mima-plugin" % "0.6.1")