diff --git a/Dockerfile b/Dockerfile
index d7c0cca..987a448 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,5 @@
 # FROM monica:3.7-apache
-FROM monica:4.0-apache
+FROM monica:4.1-apache
 
 RUN rm -f Procfile 
 # app.json