diff --git a/pom.xml b/pom.xml
index c040b93..2e6c043 100644
--- a/pom.xml
+++ b/pom.xml
@@ -45,7 +45,7 @@
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <maven.compiler>1.8</maven.compiler>
-        <spring.version>4.3.5.RELEASE</spring.version>
+        <spring.version>5.2.21.RELEASE</spring.version>
         <spring.security.version>4.2.1.RELEASE</spring.security.version>
         <httpclient.version>4.5.2</httpclient.version>
         <hibernate.version>5.2.7.Final</hibernate.version>
diff --git a/rest-example/pom.xml b/rest-example/pom.xml
index d93d5c5..2a624b3 100644
--- a/rest-example/pom.xml
+++ b/rest-example/pom.xml
@@ -11,7 +11,7 @@
 
     <properties>
         <jersey.version>2.25.1</jersey.version>
-        <spring.version>4.3.5.RELEASE</spring.version>
+        <spring.version>5.2.21.RELEASE</spring.version>
         <spring.security.version>4.2.1.RELEASE</spring.security.version>
         <httpclient.version>4.5.2</httpclient.version>
         <jackson.version>2.8.5</jackson.version>