diff --git a/openapi.yml b/openapi.yml
index 9744f09..dd02dff 100644
--- a/openapi.yml
+++ b/openapi.yml
@@ -471,6 +471,13 @@ components:
       description: 'Metadata from provider.toml file for a Provider '
       x-stoplight:
         id: 1bb8b6403eed2
+    UploadUrls:
+      title: UploadUrls
+      x-stoplight:
+        id: hezwxxklqr4s4
+      type: object
+      additionalProperties:
+        type: string
   requestBodies:
     PublishProviderRequest:
       content:
@@ -552,8 +559,7 @@ components:
               readmeUploadUrl:
                 type: string
               roleTemplateUploadURLs:
-                type: object
-                description: filename is the key and value is the upload URL
+                $ref: '#/components/schemas/UploadUrls'
             required:
               - lambdaHandlerUploadUrl
               - cloudformationTemplateUploadUrl
diff --git a/pkg/providerregistrysdk/api.gen.go b/pkg/providerregistrysdk/api.gen.go
index d71d195..3142c08 100644
--- a/pkg/providerregistrysdk/api.gen.go
+++ b/pkg/providerregistrysdk/api.gen.go
@@ -184,6 +184,11 @@ type TargetField struct {
 // TargetFieldType defines model for TargetField.Type.
 type TargetFieldType string
 
+// UploadUrls defines model for UploadUrls.
+type UploadUrls struct {
+	AdditionalProperties map[string]string `json:"-"`
+}
+
 // ErrorResponse defines model for ErrorResponse.
 type ErrorResponse struct {
 	Error string `json:"error"`
@@ -202,12 +207,10 @@ type ListProvidersResponse struct {
 
 // PublishProviderResponse defines model for PublishProviderResponse.
 type PublishProviderResponse struct {
-	CloudformationTemplateUploadUrl string `json:"cloudformationTemplateUploadUrl"`
-	LambdaHandlerUploadUrl          string `json:"lambdaHandlerUploadUrl"`
-	ReadmeUploadUrl                 string `json:"readmeUploadUrl"`
-
-	// filename is the key and value is the upload URL
-	RoleTemplateUploadURLs map[string]interface{} `json:"roleTemplateUploadURLs"`
+	CloudformationTemplateUploadUrl string     `json:"cloudformationTemplateUploadUrl"`
+	LambdaHandlerUploadUrl          string     `json:"lambdaHandlerUploadUrl"`
+	ReadmeUploadUrl                 string     `json:"readmeUploadUrl"`
+	RoleTemplateUploadURLs          UploadUrls `json:"roleTemplateUploadURLs"`
 }
 
 // PublishProviderRequest defines model for PublishProviderRequest.
@@ -236,6 +239,59 @@ type UserPublishProviderJSONRequestBody PublishProviderRequest
 // UserCompletePublishProviderJSONRequestBody defines body for UserCompletePublishProvider for application/json ContentType.
 type UserCompletePublishProviderJSONRequestBody = UserCompletePublishProviderJSONBody
 
+// Getter for additional properties for UploadUrls. Returns the specified
+// element and whether it was found
+func (a UploadUrls) Get(fieldName string) (value string, found bool) {
+	if a.AdditionalProperties != nil {
+		value, found = a.AdditionalProperties[fieldName]
+	}
+	return
+}
+
+// Setter for additional properties for UploadUrls
+func (a *UploadUrls) Set(fieldName string, value string) {
+	if a.AdditionalProperties == nil {
+		a.AdditionalProperties = make(map[string]string)
+	}
+	a.AdditionalProperties[fieldName] = value
+}
+
+// Override default JSON handling for UploadUrls to handle AdditionalProperties
+func (a *UploadUrls) UnmarshalJSON(b []byte) error {
+	object := make(map[string]json.RawMessage)
+	err := json.Unmarshal(b, &object)
+	if err != nil {
+		return err
+	}
+
+	if len(object) != 0 {
+		a.AdditionalProperties = make(map[string]string)
+		for fieldName, fieldBuf := range object {
+			var fieldVal string
+			err := json.Unmarshal(fieldBuf, &fieldVal)
+			if err != nil {
+				return fmt.Errorf("error unmarshaling field %s: %w", fieldName, err)
+			}
+			a.AdditionalProperties[fieldName] = fieldVal
+		}
+	}
+	return nil
+}
+
+// Override default JSON handling for UploadUrls to handle AdditionalProperties
+func (a UploadUrls) MarshalJSON() ([]byte, error) {
+	var err error
+	object := make(map[string]json.RawMessage)
+
+	for fieldName, field := range a.AdditionalProperties {
+		object[fieldName], err = json.Marshal(field)
+		if err != nil {
+			return nil, fmt.Errorf("error marshaling '%s': %w", fieldName, err)
+		}
+	}
+	return json.Marshal(object)
+}
+
 // RequestEditorFn  is the function signature for the RequestEditor callback function
 type RequestEditorFn func(ctx context.Context, req *http.Request) error
 
@@ -1701,47 +1757,47 @@ func HandlerWithOptions(si ServerInterface, options ChiServerOptions) http.Handl
 // Base64 encoded, gzipped, json marshaled Swagger object
 var swaggerSpec = []string{
 
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 }
 
 // GetSwagger returns the content of the embedded swagger specification file