diff --git a/Dockerfile b/Dockerfile
index 1b1b1e8..04344be 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,7 +2,7 @@
 #  Building assumes midpoint-dist.tar.gz is present in the current directory.
 #
 
-FROM tier/shibboleth_sp:3.0.4_03122019
+FROM tier/shibboleth_sp:3.3.0_12022021
 
 MAINTAINER info@evolveum.com