diff --git a/README.md b/README.md
index 9738336..5917f73 100644
--- a/README.md
+++ b/README.md
@@ -148,7 +148,7 @@ share_peer_interval = 30
 only_global_ips = true
 
 [key_server_config]
-version = 2
+version = 3
 attestation_style = 2 #This corresponds to using an image, epid=1, dcap=2
 seal_policy = "MRSIGNER"
 exe_policy = { Multiply = { executors = 8 } }
diff --git a/docker-compose.yml b/docker-compose.yml
index 81b2bbc..159f216 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -2,7 +2,7 @@ version: "3"
 services:
   bnk-occlum-keyring:
     #image: boolnetwork/bnk-occlum-keyring-epid:v0.5.2  #Different images result in different values for the attestation_style parameter in the configuration file
-    image: boolnetwork/bnk-occlum-keyring-dcap:v0.6.4
+    image: boolnetwork/bnk-occlum-keyring-dcap:v0.6.6
     restart: always
     network_mode: "host"
     # ports: