diff --git a/Dockerfile b/Dockerfile
index 1f0cbc5..8bfcf97 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine
+FROM alpine:3.9
 
 LABEL maintainer "Alexey Nizhegolenko <ratibor78@gmail.com>"
 LABEL description "Geostat application"