diff --git a/Chapter01/worldgdp/pom.xml b/Chapter01/worldgdp/pom.xml
index 07c9e47..330826c 100644
--- a/Chapter01/worldgdp/pom.xml
+++ b/Chapter01/worldgdp/pom.xml
@@ -13,7 +13,7 @@
 		<lombok.version>1.16.18</lombok.version>
 		<hibernate.validator.version>6.0.2.Final</hibernate.validator.version>
 		<mysql.jdbc.driver.version>5.1.44</mysql.jdbc.driver.version>
-		<spring.version>5.1.5.RELEASE</spring.version>
+		<spring.version>5.2.20.RELEASE</spring.version>
 		<hikari.version>2.7.2</hikari.version>
 		<junit.version>4.12</junit.version>
 		<assertj.version>3.12.0</assertj.version>