diff --git a/types/parse/index.d.ts b/types/parse/index.d.ts
index 68ae023efb..d239cf1243 100644
--- a/types/parse/index.d.ts
+++ b/types/parse/index.d.ts
@@ -732,6 +732,8 @@ namespace Parse {
             skip?: number;
             // Sort documentation https://docs.mongodb.com/v3.2/reference/operator/aggregation/sort/#pipe._S_sort
             sort?: { [key: string]: 1 | -1 };
+            // Sample documentation: https://docs.mongodb.com/v3.2/reference/operator/aggregation/sample/
+            sample?: { size: number };
         }
 
         // According to https://parseplatform.org/Parse-SDK-JS/api/2.1.0/Parse.Query.html#fullText
diff --git a/types/parse/parse-tests.ts b/types/parse/parse-tests.ts
index 14cf85e195..8190094166 100644
--- a/types/parse/parse-tests.ts
+++ b/types/parse/parse-tests.ts
@@ -160,6 +160,11 @@ function test_query() {
             objectId: '$name',
         },
     });
+    query.aggregate({
+        sample: {
+            size: 1
+        },
+    });
 
     // Find objects with distinct key
     query.distinct('name');
diff --git a/types/parse/ts3.7/index.d.ts b/types/parse/ts3.7/index.d.ts
index fba8d7facc..09c3a76193 100644
--- a/types/parse/ts3.7/index.d.ts
+++ b/types/parse/ts3.7/index.d.ts
@@ -704,6 +704,8 @@ namespace Parse {
             skip?: number;
             // Sort documentation https://docs.mongodb.com/v3.2/reference/operator/aggregation/sort/#pipe._S_sort
             sort?: { [key: string]: 1 | -1 };
+            // Sample documentation: https://docs.mongodb.com/v3.2/reference/operator/aggregation/sample/
+            sample?: { size: number };
         }
 
         // According to https://parseplatform.org/Parse-SDK-JS/api/2.1.0/Parse.Query.html#fullText
diff --git a/types/parse/v1/index.d.ts b/types/parse/v1/index.d.ts
index 41107c76a3..9d7850f666 100644
--- a/types/parse/v1/index.d.ts
+++ b/types/parse/v1/index.d.ts
@@ -668,13 +668,15 @@ declare namespace Parse {
 
         // According to http://docs.parseplatform.org/rest/guide/#aggregate-queries
         interface AggregationOptions {
-            group?: { objectId?: string, [key:string]: any };
-            match?: {[key: string]: any};
-            project?: {[key: string]: any};
+            group?: { objectId?: string, [key: string]: any };
+            match?: { [key: string]: any };
+            project?: { [key: string]: any };
             limit?: number;
             skip?: number;
             // Sort documentation https://docs.mongodb.com/v3.2/reference/operator/aggregation/sort/#pipe._S_sort
-            sort?: {[key: string]: 1|-1};
+            sort?: { [key: string]: 1 | -1 };
+            // Sample documentation: https://docs.mongodb.com/v3.2/reference/operator/aggregation/sample/
+            sample?: { size: number };
         }
 
         // According to https://parseplatform.org/Parse-SDK-JS/api/2.1.0/Parse.Query.html#fullText