[DMAAP-DR] Bump aaf_agent image version

Change-Id: Id4e93e6f21bf1914512220e3b8e31f8e8eda71d6
Signed-off-by: efiacor <fiachra.corcoran@est.tech>
Issue-ID: DMAAP-1416
diff --git a/kubernetes/dmaap/values.yaml b/kubernetes/dmaap/values.yaml
index ecc5689..f9f20a3 100644
--- a/kubernetes/dmaap/values.yaml
+++ b/kubernetes/dmaap/values.yaml
@@ -42,7 +42,7 @@
 
   #AAF global config overrides
   aafEnabled: true
-  aafAgentImage: onap/aaf/aaf_agent:2.1.15
+  aafAgentImage: onap/aaf/aaf_agent:2.1.20
   aafAppNs: org.osaaf.aaf
   aafLocatorContainer: oom