diff --git a/build.gradle b/build.gradle
index 0f9897b..72ec3a0 100644
--- a/build.gradle
+++ b/build.gradle
@@ -37,12 +37,10 @@
     implementation 'org.springframework.social:spring-social-web:1.1.6.RELEASE'
     implementation 'org.jetbrains.kotlin:kotlin-reflect'
     implementation 'org.jetbrains.kotlin:kotlin-stdlib-jdk8'
+    implementation 'org.hibernate:hibernate-validator:5.4.1.Final'
 
     implementation 'org.thymeleaf.extras:thymeleaf-extras-springsecurity5'
 
-    implementation 'com.github.chenhaiyangs:rpc-tcc-transaction-spring:1.2.0'
-    implementation 'com.github.chenhaiyangs:rpc-tcc-transaction-api:1.1.0'
-    implementation 'com.github.chenhaiyangs:rpc-tcc-transaction-core:1.2.0'
     implementation 'org.postgresql:postgresql:42.2.5'
     implementation 'com.fasterxml.jackson.module:jackson-module-kotlin'
     implementation 'com.jcabi:jcabi-manifests:1.1'