diff --git a/Dockerfile b/Dockerfile
index 7f8bf99..b6a8aae 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM jwilder/nginx-proxy
+FROM jwilder/nginx-proxy:v0.9.0
 RUN { \
       echo 'server_tokens off;'; \
       echo 'client_max_body_size 100m;'; \