diff --git a/build.sbt b/build.sbt
index 8b5dc50..ddeb2d9 100644
--- a/build.sbt
+++ b/build.sbt
@@ -1,4 +1,4 @@
-val scala213 = "2.13.12"
+val scala213 = "2.13.15"
 val scala3 = "3.3.1"
 
 name := "http4s-fabric"