diff --git a/Dockerfile b/Dockerfile
index 3df4df2..e149f42 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -4,4 +4,10 @@ EXPOSE 8080
 
 RUN /venv/bin/pip install git+https://github.com/alerta/alerta-contrib.git#subdirectory=integrations/mailer
 
+RUN apt-get install -y --no-install-recommends \
+  redis-server && \
+  apt-get -y clean && \
+  apt-get -y autoremove && \
+  rm -rf /var/lib/apt/lists/*
+
 COPY . ${WORKDIR}