diff --git a/smoketest/Dockerfile b/smoketest/Dockerfile
index 8fd5979c45..595190cfef 100644
--- a/smoketest/Dockerfile
+++ b/smoketest/Dockerfile
@@ -1,5 +1,5 @@
 # See https://github.com/ZeitOnline/gh-action-workflows/blob/main/.github/workflows/nightwatch-build.yaml
-FROM python:3.12.2-slim as nightwatch
+FROM python:3.12.3-slim as nightwatch
 WORKDIR /app
 RUN pip --no-cache-dir install pipenv
 COPY Pipfile Pipfile.lock ./