diff --git a/pom.xml b/pom.xml
index df740a9..d3a59cc 100644
--- a/pom.xml
+++ b/pom.xml
@@ -38,6 +38,15 @@
 			<groupId>org.springframework.boot</groupId>
 			<artifactId>spring-boot-starter-security</artifactId>
 		</dependency>
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-validation</artifactId>
+		</dependency>
+		<dependency>
+			<groupId>com.bucket4j</groupId>
+			<artifactId>bucket4j-core</artifactId>
+			<version>8.10.1</version>
+		</dependency>
 		<dependency>
         	<groupId>org.springframework.boot</groupId>
         	<artifactId>spring-boot-starter-oauth2-resource-server</artifactId>