diff --git a/build.sbt b/build.sbt
index adcf0e9..f35eb6f 100644
--- a/build.sbt
+++ b/build.sbt
@@ -4,7 +4,7 @@ val http4sVersion           = "0.23.37"
 val natchezVersion          = "0.3.10"
 val scala212Version         = "2.12.21"
 val scala213Version         = "2.13.18"
-val scala3Version           = "3.3.8"
+val scala3Version           = "3.9.0"
 val slf4jVersion            = "2.0.20"
 val munitCEVersion          = "2.2.1"
 val scalacheckEffectVersion = "2.1.0"