diff --git a/.changelog/2786.txt b/.changelog/2786.txt
new file mode 100644
index 0000000000..634c6060d5
--- /dev/null
+++ b/.changelog/2786.txt
@@ -0,0 +1,3 @@
+```release-note:enhancement
+datasource/tencentcloud_as_scaling_configs: add `version_number`.
+```
diff --git a/tencentcloud/services/as/data_source_tc_as_scaling_configs.go b/tencentcloud/services/as/data_source_tc_as_scaling_configs.go
index 700eabc88a..fdf9cc0165 100644
--- a/tencentcloud/services/as/data_source_tc_as_scaling_configs.go
+++ b/tencentcloud/services/as/data_source_tc_as_scaling_configs.go
@@ -164,6 +164,11 @@ func DataSourceTencentCloudAsScalingConfigs() *schema.Resource {
 							Computed:    true,
 							Description: "Policy of cloud disk type.",
 						},
+						"version_number": {
+							Type:        schema.TypeInt,
+							Computed:    true,
+							Description: "Version Number.",
+						},
 					},
 				},
 			},
@@ -216,6 +221,7 @@ func dataSourceTencentCloudAsScalingConfigRead(d *schema.ResourceData, meta inte
 			"status":                     *config.LaunchConfigurationStatus,
 			"create_time":                *config.CreatedTime,
 			"disk_type_policy":           *config.DiskTypePolicy,
+			"version_number":             *config.VersionNumber,
 		}
 		if config.SystemDisk.DiskType != nil {
 			mapping["system_disk_type"] = *config.SystemDisk.DiskType
diff --git a/website/docs/d/as_scaling_configs.html.markdown b/website/docs/d/as_scaling_configs.html.markdown
index e343faa8c6..6257bd70ae 100644
--- a/website/docs/d/as_scaling_configs.html.markdown
+++ b/website/docs/d/as_scaling_configs.html.markdown
@@ -57,5 +57,6 @@ In addition to all arguments above, the following attributes are exported:
   * `system_disk_size` - System disk size of the scaling configuration in GB.
   * `system_disk_type` - System disk category of the scaling configuration.
   * `user_data` - Base64-encoded User Data text.
+  * `version_number` - Version Number.