diff --git a/gradle/dependency-management.gradle b/gradle/dependency-management.gradle
index b0389e27..540c2a83 100644
--- a/gradle/dependency-management.gradle
+++ b/gradle/dependency-management.gradle
@@ -1,8 +1,7 @@
 dependencyManagement {
 	imports {
-		mavenBom 'com.fasterxml.jackson:jackson-bom:2.9.6'
 		mavenBom 'io.projectreactor:reactor-bom:Dysprosium-RELEASE'
-		mavenBom 'org.junit:junit-bom:5.5.1'
+		mavenBom 'org.junit:junit-bom:5.5.2'
 		mavenBom 'org.springframework:spring-framework-bom:5.2.0.RELEASE'
 		mavenBom 'org.springframework.data:spring-data-releasetrain:Moore-BUILD-SNAPSHOT'
 		mavenBom 'org.springframework.security:spring-security-bom:5.2.0.BUILD-SNAPSHOT'
@@ -19,17 +18,18 @@ dependencyManagement {
 		dependency 'com.ibm.db2:jcc:11.5.0.0'
 		dependency 'com.microsoft.sqlserver:mssql-jdbc:7.4.1.jre8'
 		dependency 'com.oracle.ojdbc:ojdbc8:19.3.0.0'
-		dependency 'com.zaxxer:HikariCP:3.3.1'
+		dependency 'com.zaxxer:HikariCP:3.4.1'
 		dependency 'edu.umd.cs.mtc:multithreadedtc:1.01'
-		dependency 'io.lettuce:lettuce-core:5.1.8.RELEASE'
+		dependency 'io.lettuce:lettuce-core:5.2.0.RELEASE'
 		dependency 'javax.annotation:javax.annotation-api:1.3.2'
 		dependency 'javax.servlet:javax.servlet-api:4.0.1'
+		dependency 'junit:junit:4.12'
 		dependency 'mysql:mysql-connector-java:8.0.17'
 		dependency 'org.apache.derby:derby:10.14.2.0'
 		dependency 'org.assertj:assertj-core:3.13.2'
 		dependency 'org.hsqldb:hsqldb:2.5.0'
-		dependency 'org.mariadb.jdbc:mariadb-java-client:2.4.3'
+		dependency 'org.mariadb.jdbc:mariadb-java-client:2.4.4'
 		dependency 'org.mockito:mockito-core:3.0.0'
-		dependency 'org.postgresql:postgresql:42.2.6'
+		dependency 'org.postgresql:postgresql:42.2.8'
 	}
 }
diff --git a/spring-session-samples/gradle/dependency-management.gradle b/spring-session-samples/gradle/dependency-management.gradle
index d0c6be27..fd0b594d 100644
--- a/spring-session-samples/gradle/dependency-management.gradle
+++ b/spring-session-samples/gradle/dependency-management.gradle
@@ -2,15 +2,19 @@ ext['spring-framework.version'] = '5.2.0.RELEASE'
 ext['webjars-locator-core.version'] = '0.38'
 
 dependencyManagement {
+	imports {
+		mavenBom 'com.fasterxml.jackson:jackson-bom:2.10.0'
+	}
+
 	dependencies {
 		dependency 'ch.qos.logback:logback-classic:1.2.3'
 		dependency 'com.maxmind.geoip2:geoip2:2.3.1'
-		dependency 'javax.servlet.jsp.jstl:javax.servlet.jsp.jstl-api:1.2.1'
-		dependency 'javax.servlet.jsp:javax.servlet.jsp-api:2.3.2-b02'
+		dependency 'javax.servlet.jsp.jstl:javax.servlet.jsp.jstl-api:1.2.2'
+		dependency 'javax.servlet.jsp:javax.servlet.jsp-api:2.3.3'
 		dependency 'org.apache.taglibs:taglibs-standard-jstlel:1.2.5'
 		dependency 'org.seleniumhq.selenium:htmlunit-driver:2.33.0'
-		dependency 'org.slf4j:jcl-over-slf4j:1.7.25'
-		dependency 'org.slf4j:log4j-over-slf4j:1.7.25'
+		dependency 'org.slf4j:jcl-over-slf4j:1.7.28'
+		dependency 'org.slf4j:log4j-over-slf4j:1.7.28'
 		dependency 'org.webjars:bootstrap:2.3.2'
 		dependency 'org.webjars:html5shiv:3.7.3'
 		dependency 'org.webjars:jquery:1.12.4'