diff --git a/build.sbt b/build.sbt
index 0c9e780..b009a24 100644
--- a/build.sbt
+++ b/build.sbt
@@ -9,7 +9,7 @@ val disciplineVersion = "0.8"
 val fastParseVersion = "1.0.0"
 val metalVersion = "0.16.0.0"
 val scalaCheckVersion = "1.13.5"
-val scalaTestVersion = "3.0.5"
+val scalaTestVersion = "3.0.6"
 val spireVersion = "0.16.0"
 
 lazy val alasc = (project in file("."))