diff --git a/src/main/resources/META-INF/persistence.xml b/src/main/resources/META-INF/persistence.xml
index 72f423b..5063762 100644
--- a/src/main/resources/META-INF/persistence.xml
+++ b/src/main/resources/META-INF/persistence.xml
@@ -12,6 +12,11 @@
         <class>com.loafle.overflow.crawler.model.Crawler</class>
         <class>com.loafle.overflow.crawler.model.CrawlerInputItem</class>
         <class>com.loafle.overflow.crawler.model.CrawlerInputItemMapping</class>
+
+        <class>com.loafle.overflow.sensor.model.Sensor</class>
+        <class>com.loafle.overflow.sensor.model.SensorItem</class>
+        <class>com.loafle.overflow.sensor.model.SensorItemMapping</class>
+        <class>com.loafle.overflow.sensor.model.SensorItemCategory</class>
         <properties>
             <property name="javax.persistence.jdbc.url" value="jdbc:postgresql://192.168.1.106:5432/postgres" />
             <property name="javax.persistence.jdbc.driver" value="org.postgresql.Driver" />