diff --git a/build.sbt b/build.sbt
index 2c0bf7ebb..31c6f2e8c 100644
--- a/build.sbt
+++ b/build.sbt
@@ -7,7 +7,7 @@ Global / scalaVersion := "3.3.6"
 Global / scalacOptions += "-explain"
 
 lazy val CirceVersion = "0.14.14"
-lazy val ElasticsearchVersion = "8.17.8"
+lazy val ElasticsearchVersion = "8.18.3"
 lazy val Elastic4sVersion = "8.18.2"
 lazy val ElastiknnVersion = IO.read(file("version")).strip()
 lazy val LuceneVersion = "9.12.0"