diff --git a/build.gradle b/build.gradle
index 9baaf5604cd..6c7ff94c10c 100644
--- a/build.gradle
+++ b/build.gradle
@@ -44,7 +44,7 @@ ext {
 	rxjava2Version       = "2.2.15"
 	slf4jVersion         = "1.7.28"	  // spring-jcl + consistent 3rd party deps
 	tiles3Version        = "3.0.8"
-	tomcatVersion        = "9.0.29"
+	tomcatVersion        = "9.0.30"
 	undertowVersion      = "2.0.28.Final"
 
 	gradleScriptDir = "${rootProject.projectDir}/gradle"