diff --git a/build.sbt b/build.sbt
index 4007eb5..0d58b09 100644
--- a/build.sbt
+++ b/build.sbt
@@ -22,7 +22,7 @@ licenses := Seq("BSD-3-Clause" -> url("https://opensource.org/licenses/BSD-3-Cla
 
 homepage := Some(url("https://github.com/balhoff/arachne"))
 
-scalaVersion  := "2.13.10"
+scalaVersion  := "2.13.16"
 
 //crossScalaVersions := Seq("2.12.15", "2.13.6")