diff --git a/docker-compose.yml b/docker-compose.yml
index cd3d2c0..134e49b 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -354,7 +354,7 @@ services:
       - traefik.http.routers.traefik.tls.certresolver=letsencrypt
     restart: ${TRAEFIK_RESTART_POLICY-no}
   ubuntu:
-    image: ubuntu:${UBUNTU_VERSION-22.10}
+    image: ubuntu:${UBUNTU_VERSION-23.10}
     container_name: ${UBUNTU_CONTAINER_NAME-}
     tty: true
     volumes:
diff --git a/docs/ubuntu.md b/docs/ubuntu.md
index 3ec1187..ab8a884 100644
--- a/docs/ubuntu.md
+++ b/docs/ubuntu.md
@@ -14,6 +14,6 @@ docker compose up -d ubuntu
 
 | **Name**              | **Default** |
 | --------------------- | ----------- |
-| UBUNTU_VERSION        | 22.10       |
+| UBUNTU_VERSION        | 23.10       |
 | UBUNTU_CONTAINER_NAME |             |
 | UBUNTU_RESTART_POLICY | no          |