diff --git a/types/gravatar/gravatar-tests.ts b/types/gravatar/gravatar-tests.ts
index 9fa79a2d40..90c470b344 100644
--- a/types/gravatar/gravatar-tests.ts
+++ b/types/gravatar/gravatar-tests.ts
@@ -1,16 +1,21 @@
-
-
 import gravatar = require('gravatar');
 
-gravatar.url("email@example.com");
-gravatar.url("email@example.com", { s: "200", r: "pg", d: "404" });
-gravatar.url("email@example.com", { size: "200", r: "pg", d: "404" });
-gravatar.url("email@example.com", { s: "200" });
-gravatar.url("email@example.com", { default: "404" });
-gravatar.url("email@example.com", { s: "200", rating: "pg", d: "404" }, true);
-gravatar.url("email@example.com", { s: "200", r: "pg", default: "404" }, false);
-gravatar.url("email@example.com", { d: "404" }, false);
-gravatar.url("email@example.com", { forcedefault: "y" }, false);
-gravatar.url("email@example.com", { f: "y" });
-gravatar.url("email@example.com", { protocol: "https" });
-gravatar.url("email@example.com", { format: "xml" });
+gravatar.url('email@example.com');
+gravatar.url('email@example.com', { s: '200', r: 'pg', d: '404' });
+gravatar.url('email@example.com', { size: '200', r: 'pg', d: '404' });
+gravatar.url('email@example.com', { s: '200' });
+gravatar.url('email@example.com', { default: '404' });
+gravatar.url('email@example.com', { s: '200', rating: 'pg', d: '404' }, true);
+gravatar.url('email@example.com', { s: '200', r: 'pg', default: '404' }, false);
+gravatar.url('email@example.com', { d: '404' }, false);
+gravatar.url('email@example.com', { forcedefault: 'y' }, false);
+gravatar.url('email@example.com', { f: 'y' });
+gravatar.url('email@example.com', { protocol: 'https' });
+gravatar.url('email@example.com', { format: 'xml' });
+gravatar.profile_url('email@example.com');
+gravatar.profile_url('email@example.com', {});
+gravatar.profile_url('email@example.com', {}, true);
+gravatar.profile_url('emerleite@gmail.com', { protocol: 'https' });
+gravatar.profile_url('emerleite@gmail.com', { protocol: 'http', format: 'qr' });
+gravatar.url('email@example.com', { cdn: 'http://cdn-gravatar.wuweixing.com' });
+gravatar.profile_url('email@example.com', { cdn: 'http://cdn-gravatar.wuweixing.com' });
diff --git a/types/gravatar/index.d.ts b/types/gravatar/index.d.ts
index 161ba459af..534cdc48e3 100644
--- a/types/gravatar/index.d.ts
+++ b/types/gravatar/index.d.ts
@@ -1,23 +1,35 @@
-// Type definitions for gravatar v1.8.0
+// Type definitions for gravatar 1.8
 // Project: https://github.com/emerleite/node-gravatar
 // Definitions by: Denis Sokolov <https://github.com/denis-sokolov>
+//                 Piotr Błażejewicz <https://github.com/peterblazejewicz>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
 
-declare namespace GravatarModule {
-  type Options = {
-    d?: string
-    default?: string
-    f?: string
-    forcedefault?: string
-    format?: string
-    protocol?: string
-    r?: string
-    rating?: string
-    s?: string
-    size?: string
-  }
-
-  function url(email: string, options?: Options, forceProtocol?: boolean): string;
+export interface Options {
+    cdn?: string;
+    d?: string;
+    default?: string;
+    f?: string;
+    forcedefault?: string;
+    format?: string;
+    protocol?: string;
+    r?: string;
+    rating?: string;
+    s?: string;
+    size?: string;
 }
-
-export = GravatarModule;
+/**
+ * @param email - The gravatar email
+ * @param [options] - Query string options
+ * @param [protocol] - Define if will use no protocol, http or https gravatar URL.
+ * Default is 'undefined', which generates URLs without protocol.
+ * True to force https and false to force http
+ */
+export function url(email: string, options?: Options, protocol?: boolean): string;
+/**
+ * @param email - The gravatar email
+ * @param [options] - Query string options
+ * @param [protocol] - Define if will use no protocol, http or https gravatar URL.
+ * Default is 'undefined', which generates URLs without protocol.
+ * True to force https and false to force http
+ */
+export function profile_url(email: string, options?: Options, protocol?: boolean): string;
diff --git a/types/gravatar/tslint.json b/types/gravatar/tslint.json
index eff86ecb12..f93cf8562a 100644
--- a/types/gravatar/tslint.json
+++ b/types/gravatar/tslint.json
@@ -1,14 +1,3 @@
 {
-    "extends": "dtslint/dt.json",
-    "rules": {
-        "callable-types": false,
-        "dt-header": false,
-        "export-just-namespace": false,
-        "interface-over-type-literal": false,
-        "no-consecutive-blank-lines": false,
-        "no-redundant-jsdoc": false,
-        "prefer-method-signature": false,
-        "semicolon": false,
-        "trim-file": false
-    }
-}
\ No newline at end of file
+    "extends": "dtslint/dt.json"
+}