diff --git a/project/ScalaVersions.scala b/project/ScalaVersions.scala
index fad9450c0..389d35ad1 100644
--- a/project/ScalaVersions.scala
+++ b/project/ScalaVersions.scala
@@ -1,5 +1,5 @@
 object ScalaVersions {
-  val scala2Version = "2.13.17"
+  val scala2Version = "2.13.18"
   val scala3Version = "3.7.4"
   @deprecated(
     "Use Scala 2.13 or Scala 3. Don't use 2.12 unless it is a specific feature in 2.12."
diff --git a/scala-lagom/build.sbt b/scala-lagom/build.sbt
index fe11a1975..cef4f1ee3 100644
--- a/scala-lagom/build.sbt
+++ b/scala-lagom/build.sbt
@@ -2,7 +2,7 @@ organization in ThisBuild := "com.baeldung"
 version in ThisBuild := "1.0-SNAPSHOT"
 
 // the Scala version that will be used for cross-compiled libraries
-scalaVersion in ThisBuild := "2.13.17"
+scalaVersion in ThisBuild := "2.13.18"
 
 val macwire = "com.softwaremill.macwire" %% "macros" % "2.3.3" % "provided"
 val scalaTest = "org.scalatest" %% "scalatest" % "3.1.1" % Test
diff --git a/scala-sbt/wart-remover/build.sbt b/scala-sbt/wart-remover/build.sbt
index 8f465850c..1063892c7 100644
--- a/scala-sbt/wart-remover/build.sbt
+++ b/scala-sbt/wart-remover/build.sbt
@@ -1,5 +1,5 @@
 lazy val customWarts = (project in file("custom-warts")).settings(
-  scalaVersion := "2.13.17",
+  scalaVersion := "2.13.18",
   name := "CustomWarts",
   version := "1.0.0",
   exportJars := true,
@@ -10,7 +10,7 @@ lazy val root = (project in file("."))
   .dependsOn(customWarts)
   .settings(
     name := "wart-remover",
-    scalaVersion := "2.13.17",
+    scalaVersion := "2.13.18",
     version := "1.0.0",
     wartremoverWarnings ++= Seq(Wart.AsInstanceOf, Wart.Null),
     wartremoverExcluded += baseDirectory.value / "src" / "main" / "scala" / "com" / "baeldung" / "scala" / "wartremover" / "Excluded.scala",
diff --git a/scala-sbt/wart-remover/custom-warts/build.sbt b/scala-sbt/wart-remover/custom-warts/build.sbt
index 1bffbf76e..299ca4bf6 100644
--- a/scala-sbt/wart-remover/custom-warts/build.sbt
+++ b/scala-sbt/wart-remover/custom-warts/build.sbt
@@ -1,6 +1,6 @@
 /*lazy val root = (project in file(".")).settings(
   name := "custom-warts",
-  scalaVersion := "2.13.17",
+  scalaVersion := "2.13.18",
   organization := "com.baeldung",
   version := "1.0.0-SNAPSHOT",
   libraryDependencies ++= Seq(
diff --git a/scalatra/build.sbt b/scalatra/build.sbt
index 7af0e7d40..9ff59b635 100644
--- a/scalatra/build.sbt
+++ b/scalatra/build.sbt
@@ -1,6 +1,6 @@
 val ScalatraVersion = "2.8.4"
 
-ThisBuild / scalaVersion := "2.13.17"
+ThisBuild / scalaVersion := "2.13.18"
 ThisBuild / organization := "baeldung"
 
 name := "scalatratutorial"