diff --git a/Dockerfile b/Dockerfile
index fc0d04f..767c867 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM gramineproject/gramine:v1.3.1
+FROM gramineproject/gramine:v1.5
 
 RUN curl -s -o - https://apt.releases.hashicorp.com/gpg | gpg --dearmor > /usr/share/keyrings/hashicorp-archive-keyring.gpg \
     && echo "deb [signed-by=/usr/share/keyrings/hashicorp-archive-keyring.gpg] https://apt.releases.hashicorp.com focal main" > /etc/apt/sources.list.d/hashicorp.list \
diff --git a/vault.manifest.template b/vault.manifest.template
index 61cc28b..ab30228 100644
--- a/vault.manifest.template
+++ b/vault.manifest.template
@@ -21,7 +21,7 @@ sgx.allowed_files = [
   "file:/",
 ]
 
-sgx.thread_num = 16
+sgx.max_threads = 16
 sgx.enclave_size = "4G"
 sgx.debug = false
 sgx.nonpie_binary = true