diff --git a/terraform/main.tf b/terraform/main.tf
index bb106cc..6321ac6 100644
--- a/terraform/main.tf
+++ b/terraform/main.tf
@@ -9,6 +9,7 @@ resource "juju_application" "gnbsim" {
     name     = "sdcore-gnbsim-k8s"
     channel  = var.channel
     revision = var.revision
+    base     = var.base
   }
 
   config      = var.config
diff --git a/terraform/variables.tf b/terraform/variables.tf
index b21ca37..2198a85 100644
--- a/terraform/variables.tf
+++ b/terraform/variables.tf
@@ -43,6 +43,12 @@ variable "revision" {
   default     = null
 }
 
+variable "base" {
+  description = "The operating system on which to deploy"
+  type        = string
+  default     = "ubuntu@24.04"
+}
+
 variable "units" {
   description = "Number of units to deploy"
   type        = number
diff --git a/tests/integration/test_integration.py b/tests/integration/test_integration.py
index 7f89631..50fe874 100644
--- a/tests/integration/test_integration.py
+++ b/tests/integration/test_integration.py
@@ -26,6 +26,7 @@
 TLS_CHARM_CHANNEL = "latest/stable"
 GRAFANA_AGENT_CHARM_NAME = "grafana-agent-k8s"
 GRAFANA_AGENT_CHARM_CHANNEL = "latest/stable"
+SDCORE_CHARMS_SERIES = "noble"
 TIMEOUT = 5 * 60
 
 
@@ -99,6 +100,7 @@ async def _deploy_amf(ops_test: OpsTest):
         AMF_CHARM_NAME,
         application_name=AMF_CHARM_NAME,
         channel=AMF_CHARM_CHANNEL,
+        series=SDCORE_CHARMS_SERIES, # TODO: This should be replaced with base="ubuntu@24.04" once it's properly supported # noqa: E501
         trust=True,
     )
     await ops_test.model.integrate(relation1=AMF_CHARM_NAME, relation2=NRF_CHARM_NAME)
@@ -140,6 +142,7 @@ async def _deploy_nrf(ops_test: OpsTest):
         NRF_CHARM_NAME,
         application_name=NRF_CHARM_NAME,
         channel=NRF_CHARM_CHANNEL,
+        series=SDCORE_CHARMS_SERIES, # TODO: This should be replaced with base="ubuntu@24.04" once it's properly supported # noqa: E501
         trust=True,
     )
     await ops_test.model.integrate(relation1=NRF_CHARM_NAME, relation2=DB_CHARM_NAME)
@@ -153,6 +156,7 @@ async def _deploy_nms(ops_test: OpsTest):
         NMS_CHARM_NAME,
         application_name=NMS_CHARM_NAME,
         channel=NMS_CHARM_CHANNEL,
+        series=SDCORE_CHARMS_SERIES, # TODO: This should be replaced with base="ubuntu@24.04" once it's properly supported # noqa: E501
     )
     await ops_test.model.integrate(
         relation1=f"{NMS_CHARM_NAME}:common_database", relation2=f"{DB_CHARM_NAME}"