diff --git a/README.md b/README.md
index cdbf6b6..f781a9a 100644
--- a/README.md
+++ b/README.md
@@ -10,7 +10,7 @@ image=[imageName]
 tag=[versionTag]
 ```
 
-## Build and push an image
+## Build image
 
 Build the image with *latest* tag.
 ```
@@ -27,6 +27,8 @@ Test image locally
 docker run --name test $registry/$image:$tag
 ```
 
+## Push image
+
 Login into docker registry (If it's the first time or you are not saving credentials).
 ```
 docker login $registry
diff --git a/osticket/Dockerfile b/osticket/Dockerfile
index 2b8cb72..ad6dbdf 100644
--- a/osticket/Dockerfile
+++ b/osticket/Dockerfile
@@ -1,4 +1,4 @@
-FROM devinsolutions/osticket:1.16.3
+FROM devinsolutions/osticket:1.17.4
 WORKDIR /var/www/html
 
 COPY theme/default/ ./assets/default