diff --git a/build.gradle b/build.gradle
index 64398abc..71315dc8 100644
--- a/build.gradle
+++ b/build.gradle
@@ -51,13 +51,13 @@ configure(subprojects.findAll {
 		it.name != "spring-build-src" && it.name != "spring-js-resources"}) { subproject ->
 
 	subproject.ext {
-		springVersion         = "5.1.7.RELEASE"
-		springSecurityVersion = "5.1.5.RELEASE"
+		springVersion         = "5.2.6.RELEASE"
+		springSecurityVersion = "5.3.1.RELEASE"
 		servletVersion        = "3.1.0"
-		hibernate5Version     = "5.2.17.Final"
+		hibernate5Version     = "5.4.14.Final"
 		tiles3Version         = "3.0.8"
-		log4jVersion          = "2.11.1"
-		junit5Version         = "5.5.1"
+		log4jVersion          = "2.13.2"
+		junit5Version         = "5.6.2"
 	}
 
 	configurations.all {
@@ -79,11 +79,11 @@ configure(subprojects.findAll {
 		compile("org.springframework:spring-context:$springVersion")
 		compile("org.springframework:spring-core:$springVersion")
 		compile("org.springframework:spring-expression:$springVersion")
-		compileOnly("javax.el:javax.el-api:3.0.1-b04")
+		compileOnly("javax.el:javax.el-api:3.0.1-b06")
 		testCompile("org.junit.jupiter:junit-jupiter:${junit5Version}")
 		testCompile("org.hamcrest:hamcrest-all:1.3")
-		testCompile("org.easymock:easymock:3.5.1")
-		testCompile("org.apache.tomcat:tomcat-jasper-el:8.5.27")
+		testCompile("org.easymock:easymock:4.2")
+		testCompile("org.apache.tomcat:tomcat-jasper-el:9.0.34")
 		testRuntime("org.apache.logging.log4j:log4j-core:${log4jVersion}")
 		testRuntime("org.apache.logging.log4j:log4j-slf4j-impl:${log4jVersion}")
 		testRuntime("org.apache.logging.log4j:log4j-jul:${log4jVersion}")
@@ -146,10 +146,10 @@ project("spring-webflow") {
 		testCompile("org.springframework:spring-aop:$springVersion")
 		testCompile("org.springframework:spring-jdbc:$springVersion")
 		testCompile("org.springframework:spring-test:$springVersion")
-		testCompile("javax.validation:validation-api:1.1.0.Final")
+		testCompile("javax.validation:validation-api:2.0.1.Final")
 		testCompile("org.hibernate:hibernate-entitymanager:$hibernate5Version")
-		testCompile("org.hibernate:hibernate-validator:6.0.7.Final")
-		testCompile("org.hsqldb:hsqldb:2.4.0")
+		testCompile("org.hibernate:hibernate-validator:6.1.4.Final")
+		testCompile("org.hsqldb:hsqldb:2.5.0")
 		testCompile("javax.servlet.jsp:javax.servlet.jsp-api:2.3.2-b02")
 		testCompile("javax.servlet:jstl:1.2")
 	}