diff --git a/plugins/modules/gcp_sql_instance.py b/plugins/modules/gcp_sql_instance.py
index 9999dd1..c1325e9 100644
--- a/plugins/modules/gcp_sql_instance.py
+++ b/plugins/modules/gcp_sql_instance.py
@@ -250,6 +250,12 @@ options:
         required: false
         type: dict
         suboptions:
+          private_network:
+            description:
+            - Private network the instance need to be associated with.
+              Format: "projects/{{ project }}/global/networks/{{ network.name }}"
+            required: false
+            type: str
           ipv4_enabled:
             description:
             - Whether the instance should be assigned an IP address or not.
@@ -869,6 +875,7 @@ def main():
                     ip_configuration=dict(
                         type='dict',
                         options=dict(
+                            private_network=dict(type='str'),
                             ipv4_enabled=dict(type='bool'),
                             private_network=dict(type='str'),
                             authorized_networks=dict(
@@ -1261,6 +1268,7 @@ class InstanceIpconfiguration(object):
     def to_request(self):
         return remove_nones_from_dict(
             {
+                u'privateNetwork': self.request.get('private_network'),
                 u'ipv4Enabled': self.request.get('ipv4_enabled'),
                 u'privateNetwork': self.request.get('private_network'),
                 u'authorizedNetworks': InstanceAuthorizednetworksArray(self.request.get('authorized_networks', []), self.module).to_request(),
@@ -1271,6 +1279,7 @@ class InstanceIpconfiguration(object):
     def from_response(self):
         return remove_nones_from_dict(
             {
+                u'privateNetwork': self.request.get(u'privateNetwork'),
                 u'ipv4Enabled': self.request.get(u'ipv4Enabled'),
                 u'privateNetwork': self.request.get(u'privateNetwork'),
                 u'authorizedNetworks': InstanceAuthorizednetworksArray(self.request.get(u'authorizedNetworks', []), self.module).from_response(),