diff --git a/build.sbt b/build.sbt
index 93a4cadc..4b6b916a 100644
--- a/build.sbt
+++ b/build.sbt
@@ -127,7 +127,7 @@ lazy val core = project
       "com.chuusai"            %% "shapeless"               % "2.3.13",
       "org.scala-lang.modules" %% "scala-collection-compat" % "2.13.0",
       "com.github.mrpowers"    %% "spark-fast-tests"        % "1.3.0"  % "test",
-      "org.scalatest"          %% "scalatest"               % "3.2.19" % "test"
+      "org.scalatest"          %% "scalatest"               % "3.2.20" % "test"
     ),
     // docs
     run / fork                      := true,