diff --git a/api_auth_docker/Dockerfile b/api_auth_docker/Dockerfile
index ef25e78..33f0f87 100644
--- a/api_auth_docker/Dockerfile
+++ b/api_auth_docker/Dockerfile
@@ -1,4 +1,4 @@
-FROM nginx:alpine # should be 3.8
+FROM nginx:alpine
 
 RUN apk add --update --no-cache \
 		bash \