diff --git a/examples/ext_authz/Dockerfile-opa b/examples/ext_authz/Dockerfile-opa
index 1b0fa2add76f..ddafbdff41bc 100644
--- a/examples/ext_authz/Dockerfile-opa
+++ b/examples/ext_authz/Dockerfile-opa
@@ -1 +1 @@
-FROM openpolicyagent/opa:0.56.0-istio@sha256:b9c81ab586de93a52ff063ba92035fbca98b61ac40226a1aab482fb970b8c366
+FROM openpolicyagent/opa:0.57.0-istio@sha256:17ddd114d5277d6ddf1b402e5c3181ace6326abf6cb57724a585ff3b3551cee5