diff --git a/build.sbt b/build.sbt
index 5f8c087..e94eff2 100644
--- a/build.sbt
+++ b/build.sbt
@@ -6,7 +6,7 @@ lazy val scala212 = "2.12.19"
 lazy val scala213 = "2.13.14"
 lazy val scala3 = "3.4.2"
 
-lazy val scalatestVersion = "3.2.18"
+lazy val scalatestVersion = "3.2.19"
 lazy val jmhVersion = "1.37"
 
 name := "biginteger"