Upgrade SnakeYAML version for sdc-tosca

Change-Id: I5af178f9cdcad6a733d73bf9bf5fbddfc46647bb
Issue-ID: SDC-234
Signed-off-by: Gitelman, Tal (tg851x) <tg851x@intl.att.com>
diff --git a/pom.xml b/pom.xml
index db385b7..680917a 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,7 +4,7 @@
 
 	<groupId>org.onap.sdc.jtosca</groupId>
 	<artifactId>jtosca</artifactId>
-	<version>1.3.4-SNAPSHOT</version>
+	<version>1.3.3-SNAPSHOT</version>
         <name>sdc-jtosca</name>
 	<properties>
 
@@ -44,7 +44,7 @@
 		<dependency>
 			<groupId>org.yaml</groupId>
 			<artifactId>snakeyaml</artifactId>
-			<version>1.20</version>
+			<version>1.14</version>
 			<scope>compile</scope>
 		</dependency>