diff --git a/Dockerfile b/Dockerfile
index eb7624e..3ae3fc2 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -6,7 +6,7 @@ FROM centos:centos7
 #
 ##tomcat \
 ENV TOMCAT_MAJOR=9 \
-    TOMCAT_VERSION=9.0.16 \
+    TOMCAT_VERSION=9.0.19 \
 ##shib-idp \
     VERSION=3.4.3 \
 ##TIER \