diff --git a/build.sbt b/build.sbt
index 579a1c8ad..308327c27 100644
--- a/build.sbt
+++ b/build.sbt
@@ -7,3 +7,5 @@ CrossBuilding.crossSbtVersions := Seq("0.11.1", "0.11.2", "0.11.3", "0.12", "0.1
 CrossBuilding.scriptedSettings
 
 libraryDependencies += "com.github.mdr" %% "ascii-graphs" % "0.0.3"
+
+scalacOptions ++= Seq("-deprecation", "-unchecked")