diff --git a/servlet/spring-boot/java/oauth2/authorization-server/gradle/wrapper/gradle-wrapper.jar b/servlet/spring-boot/java/oauth2/authorization-server/gradle/wrapper/gradle-wrapper.jar
new file mode 100644
index 0000000..41d9927
Binary files /dev/null and b/servlet/spring-boot/java/oauth2/authorization-server/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/servlet/spring-boot/java/oauth2/authorization-server/gradle/wrapper/gradle-wrapper.properties b/servlet/spring-boot/java/oauth2/authorization-server/gradle/wrapper/gradle-wrapper.properties
new file mode 100644
index 0000000..e750102
--- /dev/null
+++ b/servlet/spring-boot/java/oauth2/authorization-server/gradle/wrapper/gradle-wrapper.properties
@@ -0,0 +1,5 @@
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.3-bin.zip
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists