diff --git a/build.sbt b/build.sbt
index 22ec61f..385d7e6 100644
--- a/build.sbt
+++ b/build.sbt
@@ -18,7 +18,8 @@ lazy val root = (project in file(".")).settings(
 unmanagedResourceDirectories in Compile += { baseDirectory.value / "lib" }
 scalacOptions ++= List(
   "-Yrangepos",
-  "-Ywarn-unused"
+  "-Ywarn-unused",
+  "-deprecation"
 )
 javacOptions += "-g:none"
 compileOrder := CompileOrder.JavaThenScala