diff --git a/build.sbt b/build.sbt
index 3bbbb56..be26f7c 100644
--- a/build.sbt
+++ b/build.sbt
@@ -1,7 +1,7 @@
 val scalapbVersion = "0.11.18"
 
 val Scala212 = "2.12.20"
-val Scala213 = "2.13.16"
+val Scala213 = "2.13.18"
 val Scala3 = "3.7.1"
 
 ThisBuild / crossScalaVersions := Seq(Scala212, Scala213, Scala3)
diff --git a/example/build.sbt b/example/build.sbt
index be54f22..ffc8c11 100644
--- a/example/build.sbt
+++ b/example/build.sbt
@@ -3,7 +3,7 @@ import sbtcrossproject.CrossPlugin.autoImport.{CrossType, crossProject}
 
 name := "scalapb-grpcweb-example"
 
-ThisBuild / scalaVersion := "2.13.16"
+ThisBuild / scalaVersion := "2.13.18"
 
 ThisBuild / resolvers ++= Seq(
   Resolver.sonatypeRepo("snapshots"),