diff --git a/blogprjs/01-beanpostprocessor-injectrandomvar/pom.xml b/blogprjs/01-beanpostprocessor-injectrandomvar/pom.xml
index 087e566..44f595f 100644
--- a/blogprjs/01-beanpostprocessor-injectrandomvar/pom.xml
+++ b/blogprjs/01-beanpostprocessor-injectrandomvar/pom.xml
@@ -16,7 +16,7 @@
         <maven.compiler.target>1.8</maven.compiler.target>
         <maven.compiler.fork>true</maven.compiler.fork>
 
-        <spring.version>4.3.12.RELEASE</spring.version>
+        <spring.version>5.2.3.RELEASE</spring.version>
         <slf4j.version>1.7.22</slf4j.version>
         <logback.version>1.1.9</logback.version>
     </properties>