diff --git a/pom.xml b/pom.xml
index d5a61a1..1785eb9 100644
--- a/pom.xml
+++ b/pom.xml
@@ -17,7 +17,7 @@
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     <maven.compiler.source>1.8</maven.compiler.source>
     <maven.compiler.target>1.8</maven.compiler.target>
-    <spring.version>5.2.4.RELEASE</spring.version>
+    <spring.version>5.2.20.RELEASE</spring.version>
     <slf4j.version>1.6.6</slf4j.version>
     <log4j.version>1.2.12</log4j.version>
     <mysql.version>8.0.16</mysql.version>