diff --git a/spring-session-hazelcast/hazelcast4/hazelcast4.gradle b/spring-session-hazelcast/hazelcast4/hazelcast4.gradle
index 9b3b23a9..52d6b0a4 100644
--- a/spring-session-hazelcast/hazelcast4/hazelcast4.gradle
+++ b/spring-session-hazelcast/hazelcast4/hazelcast4.gradle
@@ -31,7 +31,7 @@ artifacts {
 
 dependencies {
     compile project(':spring-session-core')
-    optional "com.hazelcast:hazelcast:4.2.2"
+    optional "com.hazelcast:hazelcast:4.2.3"
     compile "org.springframework:spring-context"
     compile "javax.annotation:javax.annotation-api"
 
@@ -42,7 +42,7 @@ dependencies {
     testRuntime "org.junit.jupiter:junit-jupiter-engine"
 
     integrationTestCompile "org.testcontainers:testcontainers"
-    integrationTestCompile "com.hazelcast:hazelcast:4.2.2"
+    integrationTestCompile "com.hazelcast:hazelcast:4.2.3"
     integrationTestCompile project(":spring-session-hazelcast")
 }
 
diff --git a/spring-session-samples/spring-session-sample-boot-hazelcast4/spring-session-sample-boot-hazelcast4.gradle b/spring-session-samples/spring-session-sample-boot-hazelcast4/spring-session-sample-boot-hazelcast4.gradle
index 7331f9fa..7b6eb8b7 100644
--- a/spring-session-samples/spring-session-sample-boot-hazelcast4/spring-session-sample-boot-hazelcast4.gradle
+++ b/spring-session-samples/spring-session-sample-boot-hazelcast4/spring-session-sample-boot-hazelcast4.gradle
@@ -7,7 +7,7 @@ dependencies {
 	compile "org.springframework.boot:spring-boot-starter-actuator"
 	compile "org.springframework.boot:spring-boot-starter-thymeleaf"
 	compile "org.springframework.boot:spring-boot-starter-security"
-	compile "com.hazelcast:hazelcast:4.2.2"
+	compile "com.hazelcast:hazelcast:4.2.3"
 	compile "nz.net.ultraq.thymeleaf:thymeleaf-layout-dialect"
 	compile "org.webjars:bootstrap"
 	compile "org.webjars:html5shiv"