diff --git a/.buildbot/node/Dockerfile b/.buildbot/node/Dockerfile
index 6c9dde4..24e1f58 100644
--- a/.buildbot/node/Dockerfile
+++ b/.buildbot/node/Dockerfile
@@ -1,4 +1,4 @@
-FROM node:16
+FROM node:18-bullseye
 
 RUN apt-get update
 RUN apt-get install -yq --no-install-suggests --no-install-recommends xauth xvfb