diff --git a/appc-dg/appc-dg-shared/appc-dg-dependency-model/pom.xml b/appc-dg/appc-dg-shared/appc-dg-dependency-model/pom.xml
index 4623217..2ac38bf 100644
--- a/appc-dg/appc-dg-shared/appc-dg-dependency-model/pom.xml
+++ b/appc-dg/appc-dg-shared/appc-dg-dependency-model/pom.xml
@@ -36,7 +36,7 @@
 
   <properties>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-    <jackson-yaml-version>2.8.1</jackson-yaml-version>
+    <jackson-yaml-version>2.8.6</jackson-yaml-version>
     <snakeyaml.version>1.15</snakeyaml.version>
   </properties>
 
diff --git a/appc-sdc-listener/appc-sdc-listener-bundle/pom.xml b/appc-sdc-listener/appc-sdc-listener-bundle/pom.xml
index f57385a..f152330 100644
--- a/appc-sdc-listener/appc-sdc-listener-bundle/pom.xml
+++ b/appc-sdc-listener/appc-sdc-listener-bundle/pom.xml
@@ -32,7 +32,7 @@
         <groupId>org.onap.appc</groupId>
 
 	<properties>
-		<jackson-yaml-version>2.8.1</jackson-yaml-version>
+		<jackson-yaml-version>2.8.6</jackson-yaml-version>
 		<snakeyaml.version>1.15</snakeyaml.version>
 	</properties>