diff --git a/build.sbt b/build.sbt
index dd445b2..b7b378c 100644
--- a/build.sbt
+++ b/build.sbt
@@ -71,8 +71,8 @@ def crossScalaSettings = {
 
 lazy val testSettings = Seq(
   libraryDependencies ++= Seq(
-    "org.scalatest" %% "scalatest-flatspec" % "3.2.15" % Test,
-    "org.scalatest" %% "scalatest-shouldmatchers" % "3.2.15" % Test
+    "org.scalatest" %% "scalatest-flatspec" % "3.2.18" % Test,
+    "org.scalatest" %% "scalatest-shouldmatchers" % "3.2.18" % Test
   )
 )