diff --git a/src/DefinitionGenerator.ts b/src/DefinitionGenerator.ts
index 5f95147..f391c2f 100644
--- a/src/DefinitionGenerator.ts
+++ b/src/DefinitionGenerator.ts
@@ -40,7 +40,9 @@ export class DefinitionGenerator {
       title = "",
       description = "",
       version = uuid.v4(),
-      models
+      models,
+      security,
+      securitySchemes
     } = this.config;
 
     _.merge(this.definition, {
@@ -48,11 +50,18 @@ export class DefinitionGenerator {
       info: { title, description, version },
       paths: {},
       components: {
-        schemas: {},
-        securitySchemes: {}
+        schemas: {}
       }
     });
 
+    if (security) {
+      this.definition.security = security;
+    }
+
+    if (securitySchemes) {
+      this.definition.components.securitySchemes = securitySchemes;
+    }
+
     this.definition.components.schemas = await parseModels(models, this.root);
 
     return this;
diff --git a/src/__tests__/DefinitionGenerator.spec.ts b/src/__tests__/DefinitionGenerator.spec.ts
index cd66dac..4e91b6d 100644
--- a/src/__tests__/DefinitionGenerator.spec.ts
+++ b/src/__tests__/DefinitionGenerator.spec.ts
@@ -62,7 +62,8 @@ describe("OpenAPI Documentation Generator", () => {
     docGen.readFunctions(funcConfigs);
 
     // get the parameters from the `/create POST' endpoint
-    const actual = docGen.definition.paths["/create"].post.parameters;
+    const actual =
+      docGen.definition.paths["/create/{username}"].post.parameters;
     const expected = [
       {
         description: "The username for a user to create",
diff --git a/src/types.ts b/src/types.ts
index d61f109..792969a 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -1,4 +1,5 @@
 import { JSONSchema7 } from "json-schema";
+import { OpenAPIV3 } from "openapi-types";
 
 export interface Model {
   name: string;
@@ -13,6 +14,8 @@ export interface DefinitionConfig {
   title: string;
   description: string;
   version?: string;
+  securitySchemes: OpenAPIV3.SecuritySchemeObject;
+  security: Array<OpenAPIV3.SecurityRequirementObject>;
   models: Array<Model>;
 }
 
diff --git a/test/project/openapi.yml b/test/project/openapi.yml
index 1e658e3..316adea 100644
--- a/test/project/openapi.yml
+++ b/test/project/openapi.yml
@@ -185,13 +185,22 @@ components:
       properties:
         data:
           $ref: '#/components/schemas/data'
-  securitySchemes: {}
+  securitySchemes:
+    bearerAuth:
+      type: oauth2
+      flows:
+        implicit:
+          authorizationUrl: 'https://example.com/oauth/authorize'
+          scopes:
+            read: Grants read access
+            write: Grants write access
+            admin: Grants access to admin operations
 info:
   title: ''
   description: ''
-  version: 96d3d004-1a24-4384-9df7-1e7416393223
+  version: 6e48be1a-d9be-41ef-95eb-41ffad58eac3
 paths:
-  /create:
+  '/create/{username}':
     post:
       operationId: createUser
       summary: Create User
@@ -239,3 +248,7 @@ paths:
             application/json:
               schema:
                 $ref: '#/components/schemas/ErrorResponse'
+security:
+  - bearerAuth:
+      - read
+      - write
diff --git a/test/project/serverless.doc.yml b/test/project/serverless.doc.yml
index 2cf6675..7d46167 100644
--- a/test/project/serverless.doc.yml
+++ b/test/project/serverless.doc.yml
@@ -1,4 +1,19 @@
 documentation:
+  components:
+  securitySchemes:
+    bearerAuth:
+      type: oauth2
+      flows:
+        implicit:
+          authorizationUrl: https://example.com/oauth/authorize
+          scopes:
+            read: Grants read access
+            write: Grants write access
+            admin: Grants access to admin operations
+  security:
+    - bearerAuth:
+        - read
+        - write
   models:
     - name: ErrorResponse
       description: This is an error
diff --git a/test/project/serverless.yml b/test/project/serverless.yml
index f9738fe..532498d 100644
--- a/test/project/serverless.yml
+++ b/test/project/serverless.yml
@@ -14,7 +14,7 @@ functions:
     handler: handler.create
     events:
       - http:
-          path: create
+          path: create/{username}
           method: post
           documentation:
             summary: Create User