diff --git a/build.sbt b/build.sbt
index 75795fb5..c4fefa3d 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 = "9.3.0"
+lazy val ElasticsearchVersion = "9.3.1"
 lazy val Elastic4sVersion = "9.3.0"
 lazy val ElastiknnVersion = IO.read(file("version")).strip()
 lazy val LuceneVersion = "10.3.2"
diff --git a/docker/Dockerfile b/docker/Dockerfile
index 2768eccd..0d6704ed 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -1,3 +1,3 @@
-FROM docker.elastic.co/elasticsearch/elasticsearch:9.3.0
+FROM docker.elastic.co/elasticsearch/elasticsearch:9.3.1
 COPY elastiknn-plugin/target/elastiknn*.zip .
 RUN PLUGIN=$(ls elastiknn*.zip | sort | tail -n1) && elasticsearch-plugin install -b "file://$PWD/$PLUGIN"
diff --git a/docs/pages/installation.md b/docs/pages/installation.md
index 954a573b..fedc374d 100644
--- a/docs/pages/installation.md
+++ b/docs/pages/installation.md
@@ -42,8 +42,8 @@ Make a Dockerfile like below.
 The image version (`elasticsearch:A.B.C`) must match the plugin's version (e.g. `A.B.C.x/elastiknn-A.B.C.x`).
 
 ```docker
-FROM docker.elastic.co/elasticsearch/elasticsearch:9.3.0
-RUN elasticsearch-plugin install --batch https://github.com/alexklibisz/elastiknn/releases/download/9.3.0.0/elastiknn-9.3.0.0.zip
+FROM docker.elastic.co/elasticsearch/elasticsearch:9.3.1
+RUN elasticsearch-plugin install --batch https://github.com/alexklibisz/elastiknn/releases/download/9.3.1.0/elastiknn-9.3.1.0.zip
 ```
 
 Build and run the Dockerfile. If you have any issues please refer to the [official docs.](https://www.elastic.co/guide/en/elasticsearch/reference/current/docker.html)
diff --git a/version b/version
index dc48fdc6..10d99357 100644
--- a/version
+++ b/version
@@ -1 +1 @@
-9.3.0.0
+9.3.1.0