diff --git a/Dockerfile b/Dockerfile
index b5dad5d..d15f8ee 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -10,7 +10,7 @@ ENV BUILD_VERSION=b11
 ENV JAVA_BUNDLE_ID=d54c1d3a095b4ff2b6607d096fa80163
 ##tomcat
 ENV TOMCAT_MAJOR=8
-ENV TOMCAT_VERSION=8.0.45
+ENV TOMCAT_VERSION=8.0.47
 ##shib-idp
 ENV VERSION=3.3.1
 ##TIER