diff --git a/Dockerfile b/Dockerfile
index 61cea311b3972807dcb07df9bead489a01aaa17d..7649874781eed8383e140da42e152f2eb50c393d 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,3 +1,3 @@
-FROM graylog/graylog:3.1
+FROM graylog/graylog:3.2
 MAINTAINER Andrej Ramašeuski <andrej.ramaseuski@pirati.cz>
-RUN curl -sOL -o /usr/share/graylog/plugin/graylog-plugin-auth-sso-3.1.0.jar https://github.com/Graylog2/graylog-plugin-auth-sso/releases/download/3.1.0/graylog-plugin-auth-sso-3.1.0.jar 
+RUN curl -L -o /usr/share/graylog/plugin/graylog-plugin-auth-sso-3.2.0.jar https://github.com/Graylog2/graylog-plugin-auth-sso/releases/download/3.2.0/graylog-plugin-auth-sso-3.2.0.jar