diff --git a/build.sbt b/build.sbt
index c22ab4ae..f5067861 100644
--- a/build.sbt
+++ b/build.sbt
@@ -52,7 +52,7 @@ ThisBuild / mergifyStewardConfig ~= {
 }
 
 val Scala212 = "2.12.20"
-val Scala213 = "2.13.17"
+val Scala213 = "2.13.18"
 val Scala3 = "3.3.7"
 ThisBuild / crossScalaVersions := Seq(Scala212, Scala3, Scala213)
 
diff --git a/sbt-lambda/src/sbt-test/lambda-js-plugin/iolambda-simple/build.sbt b/sbt-lambda/src/sbt-test/lambda-js-plugin/iolambda-simple/build.sbt
index 7311c33e..03140874 100644
--- a/sbt-lambda/src/sbt-test/lambda-js-plugin/iolambda-simple/build.sbt
+++ b/sbt-lambda/src/sbt-test/lambda-js-plugin/iolambda-simple/build.sbt
@@ -1,2 +1,2 @@
-scalaVersion := "2.13.17"
+scalaVersion := "2.13.18"
 enablePlugins(LambdaJSPlugin)