diff --git a/build.sbt b/build.sbt
index 7d02316..0500e5f 100644
--- a/build.sbt
+++ b/build.sbt
@@ -8,7 +8,7 @@ ThisBuild / tlSonatypeUseLegacyHost := false
 
 ThisBuild / crossScalaVersions := Seq("2.12.18")
 
-val http4sVersion = "0.23.18"
+val http4sVersion = "0.23.23"
 val brotli4jVersion = "1.12.0"
 
 lazy val root = tlCrossRootProject.aggregate(bundlemon)