diff --git a/src/Api/Suppression/Unsubscribe.php b/src/Api/Suppression/Unsubscribe.php
index db6dbf4..762caae 100644
--- a/src/Api/Suppression/Unsubscribe.php
+++ b/src/Api/Suppression/Unsubscribe.php
@@ -84,17 +84,23 @@ class Unsubscribe extends HttpApi
     }
 
     /**
-     * @param string $domain  Domain to delete unsubscribe for
+     * @param string $domain Domain to delete unsubscribe for
      * @param string $address Unsubscribe address
-     *
+     * @param string|null $tag Unsubscribe tag
      * @return DeleteResponse
      */
-    public function delete(string $domain, string $address)
+    public function delete(string $domain, string $address, string $tag = null)
     {
         Assert::stringNotEmpty($domain);
         Assert::stringNotEmpty($address);
+        Assert::nullOrStringNotEmpty($tag);
 
-        $response = $this->httpDelete(sprintf('/v3/%s/unsubscribes/%s', $domain, $address));
+        $params = [];
+        if (!is_null($tag)) {
+            $params['tag'] = $tag;
+        }
+
+        $response = $this->httpDelete(sprintf('/v3/%s/unsubscribes/%s', $domain, $address), $params);
 
         return $this->hydrateResponse($response, DeleteResponse::class);
     }
diff --git a/tests/Api/Suppression/UnsubscribeTest.php b/tests/Api/Suppression/UnsubscribeTest.php
index c4ec05f..eb4a31c 100644
--- a/tests/Api/Suppression/UnsubscribeTest.php
+++ b/tests/Api/Suppression/UnsubscribeTest.php
@@ -65,6 +65,17 @@ class UnsubscribeTest extends TestCase
         $api->delete('example.com', 'foo@bar.com');
     }
 
+    public function testDeleteWithTag()
+    {
+        $this->setRequestMethod('DELETE');
+        $this->setRequestUri('/v3/example.com/unsubscribes/foo@bar.com');
+        $this->setRequestBody(['tag' => 'tag1']);
+        $this->setHydrateClass(DeleteResponse::class);
+
+        $api = $this->getApiInstance();
+        $api->delete('example.com', 'foo@bar.com', 'tag1');
+    }
+
     public function testDeleteAll()
     {
         $this->setRequestMethod('DELETE');