diff --git a/build.sbt b/build.sbt
index 1d6b08c..fd0c69c 100644
--- a/build.sbt
+++ b/build.sbt
@@ -14,7 +14,7 @@ lazy val root = (project in file("."))
     name := "course-library",
     libraryDependencies ++= Seq(
       "lambda" %% "course-dsl" % "0.2.8",
-      "org.scalatest" %% "scalatest" % "3.0.8" % Test
+      "org.scalatest" %% "scalatest" % "3.1.2" % Test
     ),
     scalacOptions ~= { _.filterNot(Set("-Xlint:missing-interpolator")) },
     compile in Compile := (compile in Compile).dependsOn(bundleExamples).value,
@@ -25,7 +25,7 @@ lazy val scalaCodeExamples = (project in file("scala-code-examples"))
   .settings(
     libraryDependencies ++= Seq(
       "lambda" %% "scala-utils" % "0.2.3",
-      "org.scalatest" %% "scalatest" % "3.0.8" % Test
+      "org.scalatest" %% "scalatest" % "3.1.2" % Test
     ),
     githubTokenSource :=  TokenSource.GitConfig("github.token") || TokenSource.Environment("GITHUB_TOKEN")
   )