diff --git a/Dockerfile b/Dockerfile
index fbdd623..88a1473 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM elixir:1.9-alpine
+FROM elixir:1.10.4-alpine
 
 ENV UID=911 GID=911 \
     MIX_ENV=prod