diff --git a/lib/generators/index.js b/lib/generators/index.js
index 9a300dd..8bd8a0f 100644
--- a/lib/generators/index.js
+++ b/lib/generators/index.js
@@ -23,7 +23,7 @@ const mock = (schema, useExample)  => {
     return mock;
 };
 
-const objectMock = ({ properties, additionalProperties }, useExample ) => {
+const objectMock = ({ properties, additionalProperties, allOf }, useExample ) => {
     let mockObj = {};
     if (properties) {
         Object.keys(properties).forEach(function (key) {
@@ -40,6 +40,17 @@ const objectMock = ({ properties, additionalProperties }, useExample ) => {
         //Create a random property
         mockObj[Chance.word()] = mock(additionalProperties, useExample);
     }
+
+    /**
+     * Check if `allOf` is defined. If so, iterate through all of the objects mentioned
+     * in the array and merge them with this result.
+     */
+    if (allOf) {
+        allOf.forEach((subObject) => {
+            Object.assign(mockObj, mock(subObject, useExample));
+        });
+    }
+
     return mockObj;
 };
 /**
diff --git a/tests/fixture/petstore.json b/tests/fixture/petstore.json
index cf8c6a3..269a484 100644
--- a/tests/fixture/petstore.json
+++ b/tests/fixture/petstore.json
@@ -806,6 +806,27 @@
         "Pet": {
             "type": "object",
             "required": ["name", "photoUrls"],
+            "allOf": [
+                {
+                    "type": "object",
+                    "properties": {
+                        "test-one": {
+                            "type": "integer",
+                            "format": "int64"
+                        }
+                    }
+                },
+                {
+                    "type": "object",
+                    "properties": {
+                        "test-two": {
+                            "type": "integer",
+                            "format": "int64",
+                            "example": 20
+                        }
+                    }
+                }
+            ],
             "properties": {
                 "id": {
                     "type": "integer",
diff --git a/tests/response_mockgen.js b/tests/response_mockgen.js
index 5af1d85..aff8742 100644
--- a/tests/response_mockgen.js
+++ b/tests/response_mockgen.js
@@ -78,6 +78,21 @@ describe('Response Mock generator', () => {
         });
     });
 
+    it('should include properties specified in allOf for path /pet/{petId}', (done) => {
+      swagmock.responses({
+          path: '/pet/{petId}',
+          operation: 'get',
+          response: '200',
+          useExamples: true
+      }, (err, mock) => {
+          let resp = mock.responses;
+          Assert.ok(resp['test-one'], 'Generated value for test-one');
+          Assert.equal(resp['test-two'], 20);
+          Assert.ok(resp['name'], 'Generated value for name');
+          done();
+      });
+    });
+
     it('should generate response mock for path /pet/{petId}/uploadImage', (done) => {
         swagmock.responses({
             path: '/pet/{petId}/uploadImage',