diff --git a/Dockerfile b/Dockerfile
index 7649874781eed8383e140da42e152f2eb50c393d..993654dae52668ad635cc55b3c7a30247b1486cb 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,3 +1,3 @@
-FROM graylog/graylog:3.2
+FROM graylog/graylog:3.2.1
 MAINTAINER Andrej Ramašeuski <andrej.ramaseuski@pirati.cz>
-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 
+RUN curl -L -o /usr/share/graylog/plugin/graylog-plugin-auth-sso-3.2.1.jar https://github.com/Graylog2/graylog-plugin-auth-sso/releases/download/3.2.1/graylog-plugin-auth-sso-3.2.1.jar