diff --git a/Dockerfile b/Dockerfile
index f446b7c..f3b69ee 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -4,7 +4,7 @@ LABEL maintainer="David Sn <divad.nnamtdeis@gmail.com>"
 LABEL description="Customized version of trafex/php-nginx for BlueMap."
 
 # Set BlueMap version
-ARG BLUEMAP_VERSION=3.21
+ARG BLUEMAP_VERSION=5.2
 
 # Set user to root for installation
 USER root