diff --git a/ch01-base/pom.xml b/ch01-base/pom.xml
index f406eda..d3c203e 100644
--- a/ch01-base/pom.xml
+++ b/ch01-base/pom.xml
@@ -12,7 +12,7 @@
     <artifactId>ch01-base</artifactId>
 
     <properties>
-        <spring.boot.version>1.5.0.RELEASE</spring.boot.version>
+        <spring.boot.version>2.5.12</spring.boot.version>
     </properties>
 
     <dependencies>