diff --git a/authcode-client-credentials/build.gradle b/authcode-client-credentials/build.gradle
index 599dec4..67d25be 100644
--- a/authcode-client-credentials/build.gradle
+++ b/authcode-client-credentials/build.gradle
@@ -1,5 +1,5 @@
 plugins {
-	id 'org.springframework.boot' version '2.3.4.RELEASE'
+	id 'org.springframework.boot' version '2.5.3'
 	id 'java'
 }