diff --git a/services/build.gradle b/services/build.gradle
index 2d22968..4b57a8d 100644
--- a/services/build.gradle
+++ b/services/build.gradle
@@ -23,6 +23,7 @@ dependencies {
     compile group: 'com.google.code.gson', name: 'gson', version: '2.7'
     compile group: 'org.springframework.boot', name: 'spring-boot-devtools', version: '2.0.5.RELEASE'
     compile group: 'org.springframework.boot', name: 'spring-boot-starter-web', version: '2.0.5.RELEASE'
+    compile group: 'javax.persistence', name: 'javax.persistence-api', version: '2.2'
     compile fileTree(dir: 'lib', include: '**/*.jar')
 
     testCompile "org.springframework:spring-test:5.0.9.RELEASE"