diff --git a/test/definitions/otel/rhel/centos7-otel.json b/test/definitions/otel/rhel/centos7-otel.json
index 1ded5aabf..4aa2c0cca 100644
--- a/test/definitions/otel/rhel/centos7-otel.json
+++ b/test/definitions/otel/rhel/centos7-otel.json
@@ -10,11 +10,23 @@
         "id": "host1",
         "provider": "aws",
         "type": "ec2",
-        "size": "t3.nano",
-        "ami_name": "CentOS-7-????-????????_?.x86_64-*",
-        "user_name": "centos"
+        "size": "t3.medium",
+        "ami_name": "brightheadnode-9.1-centos7u8-hvm-3",
+        "user_name": "root"
     }],
 
+    "services": [
+        {
+            "id": "centos",
+            "destinations": [
+                "host1"
+            ],
+            "source_repository": "-b fix/non-regression-tests-us https://github.com/newrelic/open-install-library.git",
+            "deploy_script_path": "test/deploy/linux/otel/install/centos/roles",
+            "port": 9999
+        }
+    ],
+
     "instrumentations": {
         "resources": [
           {
diff --git a/test/definitions/otel/rhel/centos8-otel.json b/test/definitions/otel/rhel/centos8-otel.json
index e353e46b1..ef79b9afa 100644
--- a/test/definitions/otel/rhel/centos8-otel.json
+++ b/test/definitions/otel/rhel/centos8-otel.json
@@ -10,11 +10,23 @@
         "id": "host1",
         "provider": "aws",
         "type": "ec2",
-        "size": "t3.nano",
-        "ami_name": "CentOS Stream 8 x86_64 ????????",
-        "user_name": "centos"
+        "size": "t2.medium",
+        "ami_name": "brightheadnode-9.1-centos8u2-hvm-4",
+        "user_name": "root"
     }],
 
+    "services": [
+        {
+            "id": "centos",
+            "destinations": [
+                "host1"
+            ],
+            "source_repository": "-b fix/non-regression-tests-us https://github.com/newrelic/open-install-library.git",
+            "deploy_script_path": "test/deploy/linux/otel/install/centos/roles",
+            "port": 9999
+        }
+    ],
+
     "instrumentations": {
         "resources": [
           {
diff --git a/test/deploy/linux/otel/install/centos/roles/prepare/tasks/main.yml b/test/deploy/linux/otel/install/centos/roles/prepare/tasks/main.yml
new file mode 100644
index 000000000..8e6946b44
--- /dev/null
+++ b/test/deploy/linux/otel/install/centos/roles/prepare/tasks/main.yml
@@ -0,0 +1,14 @@
+---
+- debug:
+    msg: Update CentOS
+
+- name: Change directory to /etc/yum.repos.d/
+  shell: cd /etc/yum.repos.d/
+
+- name: Disable mirrorlist in CentOS repo files
+  shell: sed -i 's/mirrorlist/#mirrorlist/g' /etc/yum.repos.d/CentOS-*
+
+- name: Update baseurl to vault.centos.org in CentOS repo files
+  shell: sed -i 's|#baseurl=http://mirror.centos.org|baseurl=http://vault.centos.org|g' /etc/yum.repos.d/CentOS-*
+
+