diff --git a/build.sbt b/build.sbt
index eb2f39b..09f0628 100644
--- a/build.sbt
+++ b/build.sbt
@@ -1,8 +1,8 @@
 import scalapb.compiler.Version.scalapbVersion
 
-scalaVersion := "2.13.15"
+scalaVersion := "2.13.16"
 
-crossScalaVersions := Seq("2.12.20", "2.13.15", "3.3.4")
+crossScalaVersions := Seq("2.12.20", "2.13.16", "3.3.4")
 
 ThisBuild / organization := "com.thesamet.scalapb"