diff --git a/examples/ext_authz/Dockerfile-opa b/examples/ext_authz/Dockerfile-opa
index 118512c966183..47f1f0c0c6465 100644
--- a/examples/ext_authz/Dockerfile-opa
+++ b/examples/ext_authz/Dockerfile-opa
@@ -1 +1 @@
-FROM openpolicyagent/opa:0.47.2-istio@sha256:22466ab1e743cab5ff8bee9ac70fb4eabf7181739d1227cf0bccfb8739f4d2ba
+FROM openpolicyagent/opa:0.47.3-istio@sha256:9d7fc0315459f53c13daedd9f7f935637ec89206dfb8e54246977affae416d9d