diff --git a/build.gradle b/build.gradle
index 922588878c..8e2d3b1d61 100644
--- a/build.gradle
+++ b/build.gradle
@@ -46,7 +46,7 @@ ext {
 	junitPlatformVersion = "1.0.3"
 	junitVintageVersion  = "4.12.3"
 	kotlinVersion        = "1.2.71"
-	log4jVersion         = "2.11.1"
+	log4jVersion         = "2.11.2"
 	nettyVersion         = "4.1.33.Final"
 	reactorVersion       = "Bismuth-SR15"
 	rxjavaVersion        = "1.3.8"
@@ -54,7 +54,7 @@ ext {
 	rxjava2Version       = "2.1.17"
 	slf4jVersion         = "1.7.25"	  // spring-jcl + consistent 3rd party deps
 	tiles3Version        = "3.0.8"
-	tomcatVersion        = "8.5.37"
+	tomcatVersion        = "8.5.38"
 	undertowVersion      = "1.4.27.Final"
 
 	gradleScriptDir = "${rootProject.projectDir}/gradle"