diff --git a/build.sbt b/build.sbt
index adb4afef7..d1d42a013 100644
--- a/build.sbt
+++ b/build.sbt
@@ -917,6 +917,7 @@ lazy val mainProj = (project in file("main"))
       case v if v.startsWith("2.12.") => List(compilerPlugin(silencerPlugin))
       case _                          => List()
     }),
+    libraryDependencies += "com.swoval" % "file-tree-views" % "2.1.6",
     managedSourceDirectories in Compile +=
       baseDirectory.value / "src" / "main" / "contraband-scala",
     sourceManaged in (Compile, generateContrabands) := baseDirectory.value / "src" / "main" / "contraband-scala",
diff --git a/project/Dependencies.scala b/project/Dependencies.scala
index b3d1a9a94..683110f69 100644
--- a/project/Dependencies.scala
+++ b/project/Dependencies.scala
@@ -12,7 +12,7 @@ object Dependencies {
     sys.env.get("BUILD_VERSION") orElse sys.props.get("sbt.build.version")
 
   // sbt modules
-  private val ioVersion = nightlyVersion.getOrElse("1.4.0")
+  private val ioVersion = nightlyVersion.getOrElse("1.4.0") // revert the swoval library dependency in build.sbt mainProj when this is next bumped
   private val lmVersion =
     sys.props.get("sbt.build.lm.version").orElse(nightlyVersion).getOrElse("1.4.1")
   val zincVersion = nightlyVersion.getOrElse("1.4.3")