diff --git a/build.gradle b/build.gradle
index 117fd53894..2d2ec13d30 100644
--- a/build.gradle
+++ b/build.gradle
@@ -72,9 +72,9 @@ configure(allprojects) { project ->
 	ext.testngVersion        = "6.9.9"
 	ext.tiles2Version        = "2.2.2"
 	ext.tiles3Version        = "3.0.5"
-	ext.tomcatVersion        = "8.0.29"
+	ext.tomcatVersion        = "8.0.30"
 	ext.tyrusVersion         = "1.3.5"  // constrained by WebLogic 12.1.3 support
-	ext.undertowVersion      = "1.3.8.Final"
+	ext.undertowVersion      = "1.3.9.Final"
 	ext.woodstoxVersion      = "5.0.1"
 	ext.xmlunitVersion       = "1.6"
 	ext.xstreamVersion       = "1.4.8"