use jre base 2.2.0 - xacml

use jre base 2.2.0

Issue-ID: POLICY-2917
Change-Id: Id2683ff127fc1a290589e5295995f1d08481c50a
Signed-off-by: Taka Cho <takamune.cho@att.com>
diff --git a/packages/policy-xacmlpdp-docker/src/main/docker/Dockerfile b/packages/policy-xacmlpdp-docker/src/main/docker/Dockerfile
index e8f8b87..3620038 100644
--- a/packages/policy-xacmlpdp-docker/src/main/docker/Dockerfile
+++ b/packages/policy-xacmlpdp-docker/src/main/docker/Dockerfile
@@ -18,7 +18,7 @@
 # SPDX-License-Identifier: Apache-2.0
 # ============LICENSE_END=========================================================
 #-------------------------------------------------------------------------------
-FROM onap/policy-jre-alpine:2.1.1
+FROM onap/policy-jre-alpine:2.2.0
 
 LABEL maintainer="Policy Team"