diff --git a/Dockerfile b/Dockerfile
index 993654dae52668ad635cc55b3c7a30247b1486cb..9c596d5cfd672aabc00cf72e352f289faf44c8ce 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,3 +1,3 @@
-FROM graylog/graylog:3.2.1
+FROM graylog/graylog:3.3.5
 MAINTAINER Andrej Ramašeuski <andrej.ramaseuski@pirati.cz>
-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 
+RUN curl -L -o /usr/share/graylog/plugin/graylog-plugin-auth-sso-3.3.0.jar https://github.com/Graylog2/graylog-plugin-auth-sso/releases/download/3.3.0/graylog-plugin-auth-sso-3.3.0.jar