diff --git a/Dockerfile b/Dockerfile
index 14630d7..4d4a6b3 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,7 +2,7 @@ FROM ubuntu:16.04
 
 MAINTAINER Julien Fastré <julienfastre@cvfe.be>
 
-ARG version=2.3.14
+ARG version=2.3.15
 
 WORKDIR /tmp/build
 
diff --git a/README.md b/README.md
index 64f0e3c..d9916f9 100644
--- a/README.md
+++ b/README.md
@@ -48,9 +48,9 @@ services:
       build: 
          context: .
          args:
-            version: 2.2.13
-# if you prefer using an image (not created yet)
-#      image: julienfastre/sogo:3.1
+            version: 2.3.15
+# if you prefer using a pre-built image
+#      image: julienfastre/sogo:2.3
       links: 
          - db
       volumes: