diff --git a/build.sbt b/build.sbt
index ef4aa5a..f51ade8 100644
--- a/build.sbt
+++ b/build.sbt
@@ -2,4 +2,6 @@ name := "s3thorp"
 
 version := "0.1"
 
-scalaVersion := "2.12.8"
\ No newline at end of file
+scalaVersion := "2.12.8"
+
+libraryDependencies += "org.scalatest" %% "scalatest" % "3.0.7" % "test"