diff --git a/pom.xml b/pom.xml
index b6d06c8..82730b1 100644
--- a/pom.xml
+++ b/pom.xml
@@ -25,7 +25,7 @@
 
         <java.version>1.8</java.version>
         <spring.boot.version>1.5.9.RELEASE</spring.boot.version>
-        <spring.version>4.3.21.RELEASE</spring.version>
+        <spring.version>5.3.18</spring.version>
         <guava.version>24.1.1</guava.version>
         <org.apache.commons.commons-lang3.version>3.6</org.apache.commons.commons-lang3.version>
         <org.apache.commons.commons-collections4.version>4.1</org.apache.commons.commons-collections4.version>