diff --git a/tomcat-9.0.service b/tomcat-9.0.service
index 3bde97b..f039831 100644
--- a/tomcat-9.0.service
+++ b/tomcat-9.0.service
@@ -8,6 +8,8 @@ Description=Apache Tomcat Web Application Container
 After=syslog.target network.target
 
 [Service]
+TasksMax=576
+LimitNOFILE=8192
 Type=simple
 EnvironmentFile=/etc/tomcat/tomcat.conf
 Environment="NAME="
diff --git a/tomcat.changes b/tomcat.changes
index 7e46608..d43edab 100644
--- a/tomcat.changes
+++ b/tomcat.changes
@@ -1,3 +1,10 @@
+-------------------------------------------------------------------
+Mon May 20 20:40:08 UTC 2019 - Matei <malbu@suse.com>
+
+- Update to Tomcat 9.0.20. See changelog at
+  http://tomcat.apache.org/tomcat-9.0-doc/changelog.html#Tomcat_9.0.20_(markt)
+- increase maximum number of threads and open files for tomcat (bsc#1111966)
+
 -------------------------------------------------------------------
 Mon Apr 22 17:01:17 UTC 2019 - malbu@suse.com