diff --git a/shared_versions.gradle b/shared_versions.gradle
index a180f600918..be7d2ec4e2c 100644
--- a/shared_versions.gradle
+++ b/shared_versions.gradle
@@ -33,7 +33,7 @@ ext {
   thymeleafVersion = '2.1.2.RELEASE'
   thymeleafDialectVersion = '1.2.3'
   thymeleafExtrasVersion = '2.1.1.RELEASE'
-  tomcatVersion = '8.0.36'
+  tomcatVersion = '8.0.39'
   tomcatJdbcPoolVersion = '7.0.70'
   tomcatContainerId = 'tomcat8x'
   validationAPIVersion = '1.0.0.GA'