diff --git a/docker/Dockerfile b/docker/Dockerfile
index 7123937e2..4c41b9185 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -1,4 +1,4 @@
-FROM python:3.5-slim
+FROM python:3.5-slim-jessie
 
 ARG HTTP_PROXY
 ARG HTTPS_PROXY