diff --git a/Dockerfile b/Dockerfile
index f1607f2..d7e33e7 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM python:2.7-alpine
+FROM python:2.7-alpine3.7
 
 WORKDIR /app/
 COPY ./reqs.frozen.pip /app/