diff --git a/aws-ssm-maintenancewindow/aws-ssm-maintenancewindow.json b/aws-ssm-maintenancewindow/aws-ssm-maintenancewindow.json
index 3d50fa97..3e2ff0df 100644
--- a/aws-ssm-maintenancewindow/aws-ssm-maintenancewindow.json
+++ b/aws-ssm-maintenancewindow/aws-ssm-maintenancewindow.json
@@ -1,6 +1,7 @@
 {
     "typeName": "AWS::SSM::MaintenanceWindow",
     "description": "Resource Type definition for AWS::SSM::MaintenanceWindow",
+    "sourceUrl": "https://github.com/aws-cloudformation/aws-cloudformation-resource-providers-ssm.git",
     "additionalProperties": false,
     "properties": {
         "WindowId": {
diff --git a/aws-ssm-maintenancewindowtask/aws-ssm-maintenancewindowtask.json b/aws-ssm-maintenancewindowtask/aws-ssm-maintenancewindowtask.json
index e7e14e7b..c4ec81bb 100644
--- a/aws-ssm-maintenancewindowtask/aws-ssm-maintenancewindowtask.json
+++ b/aws-ssm-maintenancewindowtask/aws-ssm-maintenancewindowtask.json
@@ -1,6 +1,7 @@
 {
     "typeName": "AWS::SSM::MaintenanceWindowTask",
     "description": "Resource Type definition for AWS::SSM::MaintenanceWindowTask",
+    "sourceUrl": "https://github.com/aws-cloudformation/aws-cloudformation-resource-providers-ssm.git",
     "additionalProperties": false,
     "properties": {
         "WindowTaskId": {
diff --git a/aws-ssm-parameter/aws-ssm-parameter.json b/aws-ssm-parameter/aws-ssm-parameter.json
index ab688838..755aba3f 100644
--- a/aws-ssm-parameter/aws-ssm-parameter.json
+++ b/aws-ssm-parameter/aws-ssm-parameter.json
@@ -1,6 +1,7 @@
 {
     "typeName": "AWS::SSM::Parameter",
     "description": "Resource Type definition for AWS::SSM::Parameter",
+    "sourceUrl": "https://github.com/aws-cloudformation/aws-cloudformation-resource-providers-ssm.git",
     "additionalProperties": false,
     "properties": {
         "Type": {
diff --git a/aws-ssm-patchbaseline/aws-ssm-patchbaseline.json b/aws-ssm-patchbaseline/aws-ssm-patchbaseline.json
index f4873a9d..91a42ac1 100644
--- a/aws-ssm-patchbaseline/aws-ssm-patchbaseline.json
+++ b/aws-ssm-patchbaseline/aws-ssm-patchbaseline.json
@@ -1,6 +1,7 @@
 {
     "typeName": "AWS::SSM::PatchBaseline",
     "description": "Resource Type definition for AWS::SSM::PatchBaseline",
+    "sourceUrl": "https://github.com/aws-cloudformation/aws-cloudformation-resource-providers-ssm.git",
     "additionalProperties": false,
     "properties": {
         "Id": {
diff --git a/aws-ssm-resourcedatasync/aws-ssm-resourcedatasync.json b/aws-ssm-resourcedatasync/aws-ssm-resourcedatasync.json
index 3b7daa3f..3a7817ce 100644
--- a/aws-ssm-resourcedatasync/aws-ssm-resourcedatasync.json
+++ b/aws-ssm-resourcedatasync/aws-ssm-resourcedatasync.json
@@ -1,6 +1,7 @@
 {
     "typeName": "AWS::SSM::ResourceDataSync",
     "description": "Resource Type definition for AWS::SSM::ResourceDataSync",
+    "sourceUrl": "https://github.com/aws-cloudformation/aws-cloudformation-resource-providers-ssm.git",
     "additionalProperties": false,
     "properties": {
         "S3Destination": {