diff --git a/pom.xml b/pom.xml
index f3fe21f..0b507ee 100644
--- a/pom.xml
+++ b/pom.xml
@@ -14,7 +14,7 @@
 	<description>Used to declare version used from different projects</description>
 
 	<properties>
-		<orientdb.version>2.2.21</orientdb.version>
+		<orientdb.version>2.2.18</orientdb.version>
 		<!-- OrientDB version has impact on jackson and thinkerpop version. 
 				When OrientDB version is changed jackson and thinkerpop version
 				must be coherent with the one declared by orientdb -->