diff --git a/covariant/build.sbt b/covariant/build.sbt
index 6866a82..4affb22 100644
--- a/covariant/build.sbt
+++ b/covariant/build.sbt
@@ -7,7 +7,7 @@ libraryDependencies += "org.scalaz" %%% "scalaz-core" % "7.4.0-M12"
 
 libraryDependencies += "org.scalaz" %%% "scalaz-effect" % "7.4.0-M12"
 
-libraryDependencies += "org.scalatest" %%% "scalatest" % "3.2.12" % Test
+libraryDependencies += "org.scalatest" %%% "scalatest" % "3.2.19" % Test
 
 libraryDependencies ++= {
   CrossVersion.partialVersion(scalaVersion.value) match {
diff --git a/invariant/build.sbt b/invariant/build.sbt
index 6866a82..4affb22 100644
--- a/invariant/build.sbt
+++ b/invariant/build.sbt
@@ -7,7 +7,7 @@ libraryDependencies += "org.scalaz" %%% "scalaz-core" % "7.4.0-M12"
 
 libraryDependencies += "org.scalaz" %%% "scalaz-effect" % "7.4.0-M12"
 
-libraryDependencies += "org.scalatest" %%% "scalatest" % "3.2.12" % Test
+libraryDependencies += "org.scalatest" %%% "scalatest" % "3.2.19" % Test
 
 libraryDependencies ++= {
   CrossVersion.partialVersion(scalaVersion.value) match {