upgrade to tomcat-9.0.5

diff --git a/pom.xml b/pom.xml
index 77cf3c6..46bcfd1 100644
--- a/pom.xml
+++ b/pom.xml
@@ -69,7 +69,7 @@
     <geronimo-concurrent_1.0_spec.version>1.0-alpha-1</geronimo-concurrent_1.0_spec.version>
     <geronimo-jbatch_1.0_spec.version>1.0</geronimo-jbatch_1.0_spec.version>
     <geronimo-jcache_1.0_spec.version>1.0-alpha-1</geronimo-jcache_1.0_spec.version>
-    <tomcat.version>9.0.4</tomcat.version>
+    <tomcat.version>9.0.5</tomcat.version>
   </properties>