diff --git a/types/pouchdb-core/index.d.ts b/types/pouchdb-core/index.d.ts
index 4b1d56d860..7534ad902c 100644
--- a/types/pouchdb-core/index.d.ts
+++ b/types/pouchdb-core/index.d.ts
@@ -1,12 +1,13 @@
-// Type definitions for pouchdb-core 6.1
+// Type definitions for pouchdb-core 6.4
 // Project: https://pouchdb.com/
 // Definitions by: Simon Paulger <https://github.com/spaulg>, Jakub Navratil <https://github.com/trubit>,
 //                 Brian Geppert <https://github.com/geppy>, Frederico Galvão <https://github.com/fredgalvao>,
-//                 Tobias Bales <https://github.com/TobiasBales>
+//                 Tobias Bales <https://github.com/TobiasBales>, Sebastián Ramírez <https://github.com/tiangolo>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
 // TypeScript Version: 2.3
 
 /// <reference types="debug" />
+/// <reference types="pouchdb-find" />
 
 interface Buffer extends Uint8Array {
     write(string: string, offset?: number, length?: number, encoding?: string): number;
@@ -412,6 +413,41 @@ declare namespace PouchDB {
              * Note: options.filter must be set to '_view' for this option to work.
              */
             view?: string;
+
+            /**
+             * Filter using a query/pouchdb-find selector. Note: Selectors are not supported in CouchDB 1.x.
+             * Cannot be used in combination with the filter option.
+             */
+            selector?: Find.Selector;
+
+            /**
+             * (previously options.returnDocs): Is available for non-http databases and defaults to true.
+             * Passing false prevents the changes feed from keeping all the documents in memory – in other
+             * words complete always has an empty results array, and the change event is the only way to get the event.
+             * Useful for large change sets where otherwise you would run out of memory.
+             */
+            return_docs?: boolean;
+
+            /**
+             * Only available for http databases, this configures how many changes to fetch at a time.
+             * Increasing this can reduce the number of requests made. Default is 25.
+             */
+            batch_size?: number;
+
+            /**
+             * Specifies how many revisions are returned in the changes array.
+             * The default, 'main_only', will only return the current “winning” revision;
+             * 'all_docs' will return all leaf revisions (including conflicts and deleted former conflicts).
+             * Most likely you won’t need this unless you’re writing a replicator.
+             */
+            style?: 'main_only' | 'all_docs';
+
+            /**
+             * Only available for http databases. Specifies that seq information only be generated every N changes.
+             * Larger values can improve changes throughput with CouchDB 2.0 and later.
+             * Note that last_seq is always populated regardless.
+             */
+            seq_interval?: number;
         }
 
         interface ChangesResponseChange<Content extends {}> {
diff --git a/types/pouchdb-replication/index.d.ts b/types/pouchdb-replication/index.d.ts
index b0611b840a..a0f581b40a 100644
--- a/types/pouchdb-replication/index.d.ts
+++ b/types/pouchdb-replication/index.d.ts
@@ -1,10 +1,11 @@
-// Type definitions for pouchdb-replication 6.1
+// Type definitions for pouchdb-replication 6.4
 // Project: https://pouchdb.com/
-// Definitions by: Jakub Navratil <https://github.com/trubit>
+// Definitions by: Jakub Navratil <https://github.com/trubit>, Sebastián Ramírez <https://github.com/tiangolo>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
 // TypeScript Version: 2.3
 
 /// <reference types="pouchdb-core" />
+/// <reference types="pouchdb-find" />
 
 declare namespace PouchDB {
     namespace Replication {
@@ -43,6 +44,11 @@ declare namespace PouchDB {
              */
             view?: string;
 
+            /**
+             * Filter using a query/pouchdb-find selector. Note: Selectors are not supported in CouchDB 1.x.
+             */
+            selector?: Find.Selector;
+
             /** Replicate changes after the given sequence number. */
             since?: any;