diff --git a/build.sbt b/build.sbt
index ebb38c2e..3bedf36e 100644
--- a/build.sbt
+++ b/build.sbt
@@ -21,7 +21,7 @@ ThisBuild / startYear := Some(2013)
 
 lazy val root = tlCrossRootProject.aggregate(servlet, examples)
 
-val asyncHttpClientVersion = "2.12.3"
+val asyncHttpClientVersion = "2.12.4"
 val jettyVersion = "12.0.23"
 val http4sVersion = "0.23.30"
 val munitCatsEffectVersion = "2.1.0"