diff --git a/ci/roles/subnet/tasks/main.yml b/ci/roles/subnet/tasks/main.yml
index 68445e8c..be09739a 100644
--- a/ci/roles/subnet/tasks/main.yml
+++ b/ci/roles/subnet/tasks/main.yml
@@ -41,3 +41,6 @@
     cloud: "{{ cloud }}"
     name: "{{ network_name }}"
     state: absent
+
+- name: Subnet Allocation
+  include_tasks: subnet-allocation.yml
diff --git a/ci/roles/subnet/tasks/subnet-allocation.yml b/ci/roles/subnet/tasks/subnet-allocation.yml
new file mode 100644
index 00000000..65589f61
--- /dev/null
+++ b/ci/roles/subnet/tasks/subnet-allocation.yml
@@ -0,0 +1,63 @@
+---
+- name: Create network {{ network_name }}
+  openstack.cloud.os_network:
+    cloud: "{{ cloud }}"
+    name: "{{ network_name }}"
+    state: present
+
+- name: Create subnet {{ subnet_name }} on network {{ network_name }}
+  openstack.cloud.os_subnet:
+    cloud: "{{ cloud }}"
+    network_name: "{{ network_name }}"
+    enable_dhcp: "{{ enable_subnet_dhcp }}"
+    name: "{{ subnet_name }}"
+    state: present
+    cidr: 192.168.0.0/24
+    gateway_ip: 192.168.0.1
+    allocation_pool_start: 192.168.0.2
+    allocation_pool_end: 192.168.0.4
+
+- name: Update subnet {{ subnet_name }} allocation pools
+  openstack.cloud.os_subnet:
+    cloud: "{{ cloud }}"
+    network_name: "{{ network_name }}"
+    name: "{{ subnet_name }}"
+    state: present
+    cidr: 192.168.0.0/24
+    allocation_pool_start: 192.168.0.5
+    allocation_pool_end: 192.168.0.8
+
+- name: Get Subnet Info
+  openstack.cloud.os_subnets_info:
+    cloud: "{{ cloud }}"
+    name: "{{ subnet_name }}"
+  register: subnet_result
+
+- name: Verify Subnet Allocation Pools Exist
+  assert:
+    that:
+      - subnet_result.openstack_subnets is defined
+      - subnet_result.openstack_subnets | length == 1
+      - subnet_result.openstack_subnets[0].allocation_pools is defined
+      - subnet_result.openstack_subnets[0].allocation_pools | length == 2
+
+- name: Verify Subnet Allocation Pools
+  assert:
+    that:
+      - subnet_result.openstack_subnets[0].allocation_pools | selectattr('start','equalto',item.start) | list | count > 0
+      - subnet_result.openstack_subnets[0].allocation_pools | selectattr('end','equalto',item.end) | list | count > 0
+  loop:
+    - {start: '192.168.0.2', end: '192.168.0.4'}
+    - {start: '192.168.0.5', end: '192.168.0.8'}
+
+- name: Delete subnet {{ subnet_name }}
+  openstack.cloud.os_subnet:
+    cloud: "{{ cloud }}"
+    name: "{{ subnet_name }}"
+    state: absent
+
+- name: Delete network {{ network_name }}
+  openstack.cloud.os_network:
+    cloud: "{{ cloud }}"
+    name: "{{ network_name }}"
+    state: absent
diff --git a/plugins/modules/os_subnet.py b/plugins/modules/os_subnet.py
index 3ab7699b..e5ecae4e 100644
--- a/plugins/modules/os_subnet.py
+++ b/plugins/modules/os_subnet.py
@@ -205,15 +205,15 @@ def _needs_update(subnet, module, cloud, filters=None):
     no_gateway_ip = module.params['no_gateway_ip']
     dns = module.params['dns_nameservers']
     host_routes = module.params['host_routes']
-    curr_pool = subnet['allocation_pools'][0]
+    curr_pool = dict(start=pool_start, end=pool_end)
 
     if subnet['enable_dhcp'] != enable_dhcp:
         return True
     if subnet_name and subnet['name'] != subnet_name:
         return True
-    if pool_start and curr_pool['start'] != pool_start:
+    if not subnet['allocation_pools'] and pool_start and pool_end:
         return True
-    if pool_end and curr_pool['end'] != pool_end:
+    if subnet['allocation_pools'] and curr_pool not in subnet['allocation_pools']:
         return True
     if gateway_ip and subnet['gateway_ip'] != gateway_ip:
         return True
@@ -352,6 +352,8 @@ def main():
                 changed = True
             else:
                 if _needs_update(subnet, module, cloud, filters):
+                    if subnet['allocation_pools'] and pool is not None:
+                        pool = pool + subnet['allocation_pools']
                     cloud.update_subnet(subnet['id'],
                                         subnet_name=subnet_name,
                                         enable_dhcp=enable_dhcp,