diff --git a/ppml/README.md b/ppml/README.md
index 64301b531..965390ec8 100644
--- a/ppml/README.md
+++ b/ppml/README.md
@@ -10,12 +10,12 @@ C++ SGX/TDX attestation module for PPML
  
 1. [Install Intel SGX SDK](https://github.com/intel/linux-sgx#install-the-intelr-sgx-sdk)
 
-2. Install SGX DCAP 1.14 libs
+2. Install SGX DCAP 1.16 libs
 
 ```bash
 # Ubuntu 20.04, root
 cd /opt/intel 
-wget https://download.01.org/intel-sgx/sgx-dcap/1.14/linux/distro/ubuntu20.04-server/sgx_debian_local_repo.tgz 
+wget https://download.01.org/intel-sgx/sgx-dcap/1.16/linux/distro/ubuntu20.04-server/sgx_debian_local_repo.tgz 
 tar xzf sgx_debian_local_repo.tgz 
 echo 'deb [trusted=yes arch=amd64] file:///opt/intel/sgx_debian_local_repo focal main' | tee /etc/apt/sources.list.d/intel-sgx.list 
 wget -qO - https://download.01.org/intel-sgx/sgx_repo/ubuntu/intel-sgx-deb.key | apt-key add - 
diff --git a/ppml/src/main/cpp/tdx_quote_generation.cpp b/ppml/src/main/cpp/tdx_quote_generation.cpp
index 0f6bc68fd..ca9a62835 100644
--- a/ppml/src/main/cpp/tdx_quote_generation.cpp
+++ b/ppml/src/main/cpp/tdx_quote_generation.cpp
@@ -22,7 +22,7 @@
 #include <time.h>
 #include "tdx_attest.h"
 
-#define devname         "/dev/tdx-attest"
+#define devname         "/dev/tdx-guest"
 
 #define HEX_DUMP_SIZE   16
 #define MAX_ROW_SIZE    70
diff --git a/ppml/src/main/java/com/intel/analytics/bigdl/ppml/dcap/Loader.java b/ppml/src/main/java/com/intel/analytics/bigdl/ppml/dcap/Loader.java
index 0a9e9b098..e2e5c3ba8 100644
--- a/ppml/src/main/java/com/intel/analytics/bigdl/ppml/dcap/Loader.java
+++ b/ppml/src/main/java/com/intel/analytics/bigdl/ppml/dcap/Loader.java
@@ -39,11 +39,11 @@ public void init() throws IOException {
         // TODO: check SGX device to determine whether to load libquote_verification
         libraries.add("quote_verification");
 
-        File tdx_dev = new File("/dev/tdx-attest");
+        File tdx_dev = new File("/dev/tdx-guest");
         if (tdx_dev.exists()) {
             libraries.add("tdx_quote_generation");
         } else {
-            System.out.println("Not found /dev/tdx-attest, disable TDX quote generation.");
+            System.out.println("Not found /dev/tdx-guest, disable TDX quote generation.");
         }
 
         Path tempDir = null;
diff --git a/ppml/src/test/java/com/intel/analytics/bigdl/ppml/dcap/AttestationTest.java b/ppml/src/test/java/com/intel/analytics/bigdl/ppml/dcap/AttestationTest.java
index f868e028a..32c643dfa 100644
--- a/ppml/src/test/java/com/intel/analytics/bigdl/ppml/dcap/AttestationTest.java
+++ b/ppml/src/test/java/com/intel/analytics/bigdl/ppml/dcap/AttestationTest.java
@@ -41,7 +41,7 @@ public void verifyBadQuote() throws Exception {
 
     @Test
     public void generateTDXQuote() throws Exception {
-        File tdx_dev = new File("/dev/tdx-attest");
+        File tdx_dev = new File("/dev/tdx-guest");
         if (tdx_dev.exists()) {
             Attestation tdx = new Attestation();
             byte[] reportData = "ppmltest".getBytes();