diff --git a/build.gradle b/build.gradle
index 909a633aec5305cee6105957c98f399f65555033..ce556824abb209c8549791b614bcaedd59ed0b3b 100644
--- a/build.gradle
+++ b/build.gradle
@@ -41,11 +41,11 @@ ext {
 	reactorVersion       = "Californium-SR13"
 	rxjavaVersion        = "1.3.8"
 	rxjavaAdapterVersion = "1.2.1"
-	rxjava2Version       = "2.2.12"
+	rxjava2Version       = "2.2.13"
 	slf4jVersion         = "1.7.28"	  // spring-jcl + consistent 3rd party deps
 	tiles3Version        = "3.0.8"
-	tomcatVersion        = "9.0.26"
-	undertowVersion      = "2.0.26.Final"
+	tomcatVersion        = "9.0.27"
+	undertowVersion      = "2.0.27.Final"
 
 	gradleScriptDir = "${rootProject.projectDir}/gradle"
 	withoutJclOverSlf4j = {
@@ -142,7 +142,7 @@ configure(allprojects) { project ->
 	}
 
 	checkstyle {
-		toolVersion = "8.24"
+		toolVersion = "8.26"
 		configDir = rootProject.file("src/checkstyle")
 	}
 
diff --git a/spring-orm/spring-orm.gradle b/spring-orm/spring-orm.gradle
index 9fa89d919d3b5e4b32e3c128048a067f7cc9c4ce..e173b8cbd6d1a90cef3b12453905d6cc5bbc5bd8 100644
--- a/spring-orm/spring-orm.gradle
+++ b/spring-orm/spring-orm.gradle
@@ -9,7 +9,7 @@ dependencies {
 	optional(project(":spring-context"))
 	optional(project(":spring-web"))
 	optional("org.eclipse.persistence:org.eclipse.persistence.jpa:2.7.4")
-	optional("org.hibernate:hibernate-core:5.3.12.Final")
+	optional("org.hibernate:hibernate-core:5.3.13.Final")
 	optional("javax.servlet:javax.servlet-api:3.1.0")
 	testCompile("org.aspectj:aspectjweaver:${aspectjVersion}")
 	testCompile("org.hsqldb:hsqldb:${hsqldbVersion}")
diff --git a/spring-webmvc/spring-webmvc.gradle b/spring-webmvc/spring-webmvc.gradle
index ff1fd65c13134a3778eaff3deb85f59f0361dc07..1c24771a654a2a3bc8f3c41e0f17feceddd6ee2a 100644
--- a/spring-webmvc/spring-webmvc.gradle
+++ b/spring-webmvc/spring-webmvc.gradle
@@ -24,7 +24,7 @@ dependencies {
 	optional("org.webjars:webjars-locator-core:0.37")
 	optional("com.rometools:rome:1.12.2")
 	optional("com.github.librepdf:openpdf:1.2.21")
-	optional("org.apache.poi:poi-ooxml:4.1.0")
+	optional("org.apache.poi:poi-ooxml:4.1.1")
 	optional("org.freemarker:freemarker:${freemarkerVersion}")
 	optional("com.fasterxml.jackson.core:jackson-databind:${jackson2Version}")
 	optional("com.fasterxml.jackson.dataformat:jackson-dataformat-xml:${jackson2Version}")