diff --git a/server-base.hcl b/server-base.hcl
index 00d0370..f93858e 100644
--- a/server-base.hcl
+++ b/server-base.hcl
@@ -33,11 +33,11 @@ variable "OPENJDK_VERSION" {
 }
 
 variable "PYTHON_VERSION" {
-    default = "3.10"
+    default = "3.11"
 }
 
 variable "UBUNTU_VERSION" {
-    default = "22.04"
+    default = "23.04"
 }
 
 variable "GRPC_HEALTH_PROBE_VERSION" {
diff --git a/server-slim-base.hcl b/server-slim-base.hcl
index d23ebd8..9913e5a 100644
--- a/server-slim-base.hcl
+++ b/server-slim-base.hcl
@@ -23,7 +23,7 @@ variable "OPENJDK_VERSION" {
 }
 
 variable "UBUNTU_VERSION" {
-    default = "22.04"
+    default = "23.04"
 }
 
 variable "GRPC_HEALTH_PROBE_VERSION" {
diff --git a/server-slim.hcl b/server-slim.hcl
index 0963a4f..a730111 100644
--- a/server-slim.hcl
+++ b/server-slim.hcl
@@ -33,7 +33,7 @@ variable "OPENJDK_VERSION" {
 }
 
 variable "UBUNTU_VERSION" {
-    default = "22.04"
+    default = "23.04"
 }
 
 variable "GRPC_HEALTH_PROBE_VERSION" {
diff --git a/server.hcl b/server.hcl
index e97292b..e2ec615 100644
--- a/server.hcl
+++ b/server.hcl
@@ -43,11 +43,11 @@ variable "OPENJDK_VERSION" {
 }
 
 variable "PYTHON_VERSION" {
-    default = "3.10"
+    default = "3.11"
 }
 
 variable "UBUNTU_VERSION" {
-    default = "22.04"
+    default = "23.04"
 }
 
 variable "GRPC_HEALTH_PROBE_VERSION" {