diff --git a/cloudconnexa/data_source_application.go b/cloudconnexa/data_source_application.go
index a3196a5..59f792d 100644
--- a/cloudconnexa/data_source_application.go
+++ b/cloudconnexa/data_source_application.go
@@ -15,13 +15,13 @@ func dataSourceApplication() *schema.Resource {
 			"id": {
 				Type:         schema.TypeString,
 				Optional:     true,
-				AtLeastOneOf: []string{"id", "name"},
+				ExactlyOneOf: []string{"id", "name"},
 				Description:  "Application ID",
 			},
 			"name": {
 				Type:         schema.TypeString,
 				Optional:     true,
-				AtLeastOneOf: []string{"id", "name"},
+				ExactlyOneOf: []string{"id", "name"},
 				Description:  "Application name",
 			},
 			"description": {
diff --git a/cloudconnexa/data_source_connector.go b/cloudconnexa/data_source_connector.go
index 33f0528..63393f5 100644
--- a/cloudconnexa/data_source_connector.go
+++ b/cloudconnexa/data_source_connector.go
@@ -16,13 +16,13 @@ func dataSourceConnector() *schema.Resource {
 			"id": {
 				Type:         schema.TypeString,
 				Optional:     true,
-				AtLeastOneOf: []string{"id", "name"},
+				ExactlyOneOf: []string{"id", "name"},
 				Description:  "The ID of the connector.",
 			},
 			"name": {
 				Type:         schema.TypeString,
 				Optional:     true,
-				AtLeastOneOf: []string{"id", "name"},
+				ExactlyOneOf: []string{"id", "name"},
 				Description:  "The name of the connector.",
 			},
 			"description": {
diff --git a/cloudconnexa/data_source_network.go b/cloudconnexa/data_source_network.go
index 782b2a4..ce0bf73 100644
--- a/cloudconnexa/data_source_network.go
+++ b/cloudconnexa/data_source_network.go
@@ -17,13 +17,13 @@ func dataSourceNetwork() *schema.Resource {
 			"id": {
 				Type:         schema.TypeString,
 				Optional:     true,
-				AtLeastOneOf: []string{"id", "name"},
+				ExactlyOneOf: []string{"id", "name"},
 				Description:  "The network ID.",
 			},
 			"name": {
 				Type:         schema.TypeString,
 				Optional:     true,
-				AtLeastOneOf: []string{"id", "name"},
+				ExactlyOneOf: []string{"id", "name"},
 				Description:  "The network name.",
 			},
 			"description": {
diff --git a/cloudconnexa/data_source_user_group.go b/cloudconnexa/data_source_user_group.go
index ff1ef57..efa28a9 100644
--- a/cloudconnexa/data_source_user_group.go
+++ b/cloudconnexa/data_source_user_group.go
@@ -17,13 +17,13 @@ func dataSourceUserGroup() *schema.Resource {
 			"id": {
 				Type:         schema.TypeString,
 				Optional:     true,
-				AtLeastOneOf: []string{"id", "name"},
+				ExactlyOneOf: []string{"id", "name"},
 				Description:  "The user group ID.",
 			},
 			"name": {
 				Type:         schema.TypeString,
 				Optional:     true,
-				AtLeastOneOf: []string{"id", "name"},
+				ExactlyOneOf: []string{"id", "name"},
 				Description:  "The user group name.",
 			},
 			"vpn_region_ids": {