diff --git a/build.sbt b/build.sbt
index 55ad8aec..6a615ec3 100644
--- a/build.sbt
+++ b/build.sbt
@@ -53,7 +53,7 @@ ThisBuild / mergifyStewardConfig ~= {
 
 val Scala212 = "2.12.20"
 val Scala213 = "2.13.17"
-val Scala3 = "3.3.7"
+val Scala3 = "3.3.9"
 ThisBuild / crossScalaVersions := Seq(Scala212, Scala3, Scala213)
 
 val catsEffectVersion = "3.6.3"