diff --git a/cloudformation/serverless/aws-serverless-function_sampolicytemplate.go b/cloudformation/serverless/aws-serverless-function_sampolicytemplate.go
index 92af413c19..cd7e57aab2 100644
--- a/cloudformation/serverless/aws-serverless-function_sampolicytemplate.go
+++ b/cloudformation/serverless/aws-serverless-function_sampolicytemplate.go
@@ -120,6 +120,11 @@ type Function_SAMPolicyTemplate struct {
 	// See: https://github.com/awslabs/serverless-application-model/blob/master/docs/policy_templates.rst
 	S3ReadPolicy *Function_BucketSAMPT `json:"S3ReadPolicy,omitempty"`
 
+	// S3WritePolicy AWS CloudFormation Property
+	// Required: false
+	// See: https://github.com/awslabs/serverless-application-model/blob/master/docs/policy_templates.rst
+	S3WritePolicy *Function_BucketSAMPT `json:"S3WritePolicy,omitempty"`
+
 	// SESBulkTemplatedCrudPolicy AWS CloudFormation Property
 	// Required: false
 	// See: https://github.com/awslabs/serverless-application-model/blob/master/docs/policy_templates.rst
diff --git a/generate/sam-2016-10-31.json b/generate/sam-2016-10-31.json
index fc1def9ba4..00ee01eda0 100644
--- a/generate/sam-2016-10-31.json
+++ b/generate/sam-2016-10-31.json
@@ -1457,6 +1457,11 @@
                     "Type": "BucketSAMPT",
                     "UpdateType": "Immutable"
                 },
+                "S3WritePolicy": {
+                    "Documentation": "https://github.com/awslabs/serverless-application-model/blob/master/docs/policy_templates.rst",
+                    "Type": "BucketSAMPT",
+                    "UpdateType": "Immutable"
+                },
                 "S3CrudPolicy": {
                     "Documentation": "https://github.com/awslabs/serverless-application-model/blob/master/docs/policy_templates.rst",
                     "Type": "BucketSAMPT",
diff --git a/schema/sam.go b/schema/sam.go
index a47e6f8f61..3b68790922 100644
--- a/schema/sam.go
+++ b/schema/sam.go
@@ -125346,6 +125346,9 @@ var SamSchema = `{
                 "S3ReadPolicy": {
                     "$ref": "#/definitions/AWS::Serverless::Function.BucketSAMPT"
                 },
+                "S3WritePolicy": {
+                    "$ref": "#/definitions/AWS::Serverless::Function.BucketSAMPT"
+                },
                 "SESBulkTemplatedCrudPolicy": {
                     "$ref": "#/definitions/AWS::Serverless::Function.IdentitySAMPT"
                 },
diff --git a/schema/sam.schema.json b/schema/sam.schema.json
index c8bd08c200..8630315e78 100644
--- a/schema/sam.schema.json
+++ b/schema/sam.schema.json
@@ -125341,6 +125341,9 @@
                 "S3ReadPolicy": {
                     "$ref": "#/definitions/AWS::Serverless::Function.BucketSAMPT"
                 },
+                "S3WritePolicy": {
+                    "$ref": "#/definitions/AWS::Serverless::Function.BucketSAMPT"
+                },
                 "SESBulkTemplatedCrudPolicy": {
                     "$ref": "#/definitions/AWS::Serverless::Function.IdentitySAMPT"
                 },