diff --git a/Dockerfile b/Dockerfile
index 3d748c7..48875bc 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,9 @@
 FROM nginx:stable-alpine
 
+RUN \
+  apk upgrade --no-cache && \
+  rm -rf /var/cache/apk/*
+
 RUN \
   echo 'fastcgi_param HTTP_PROXY "";' >> /etc/nginx/fastcgi.conf && \
   echo 'fastcgi_buffers 8 16k;' >> /etc/nginx/fastcgi.conf && \
diff --git a/nginx.conf b/nginx.conf
index 8577b17..14371c5 100644
--- a/nginx.conf
+++ b/nginx.conf
@@ -15,7 +15,7 @@ events {
 
 http {
     upstream phpfpm_backend {
-        server fpm:9000;
+        server 127.0.0.1:9000;
     }
 
     include       /etc/nginx/mime.types;