diff --git a/cathode/Dockerfile b/cathode/Dockerfile
index 36f251c..88de5d1 100644
--- a/cathode/Dockerfile
+++ b/cathode/Dockerfile
@@ -1,4 +1,4 @@
-FROM debian:buster
+FROM debian:stretch-slim
 LABEL maintainer "Jessie Frazelle <jess@linux.com>"
 
 RUN apt-get update && apt-get install -y \