diff --git a/src/Api/Projects.php b/src/Api/Projects.php
index fa2877dc..9edf6b76 100644
--- a/src/Api/Projects.php
+++ b/src/Api/Projects.php
@@ -1597,4 +1597,68 @@ public function deleteProtectedTag($project_id, string $tag_name)
     {
         return $this->delete($this->getProjectPath($project_id, 'protected_tags/'.self::encodePath($tag_name)));
     }
+
+    /**
+     * @param int|string $project_id
+     * @param string     $integration
+     * @param array      $parameters
+     *
+     * @return mixed
+     */
+    public function updateIntegration($project_id, string $integration, array $parameters = [])
+    {
+        $resolver = new OptionsResolver();
+        $booleanNormalizer = function (Options $resolver, $value): string {
+            return $value ? 'true' : 'false';
+        };
+
+        if ('jira' === $integration) {
+            $resolver->setDefined('url')
+                ->setAllowedTypes('url', 'string')
+                ->setRequired('url')
+            ;
+            $resolver->setDefined('password')
+                ->setAllowedTypes('password', 'string')
+                ->setRequired('password')
+            ;
+            $resolver->setDefined('username')
+                ->setAllowedTypes('username', 'string')
+            ;
+            $resolver->setDefined('jira_auth_type')
+                ->setAllowedTypes('jira_auth_type', 'int')
+                ->setAllowedValues('jira_auth_type', [0, 1])
+            ;
+        }
+
+        if ('slack' === $integration) {
+            $resolver->setDefined('webhook')
+                ->setAllowedTypes('webhook', 'string')
+                ->setRequired('webhook')
+            ;
+            $resolver->setDefined('username')
+                ->setAllowedTypes('username', 'string')
+            ;
+            $resolver->setDefined('channel')
+                ->setAllowedTypes('channel', 'string')
+            ;
+            $resolver->setDefined('pipeline_channel')
+                ->setAllowedTypes('pipeline_channel', 'string')
+            ;
+            $resolver->setDefined('pipeline_events')
+                ->setAllowedTypes('pipeline_events', 'bool')
+                ->setNormalizer('pipeline_events', $booleanNormalizer)
+            ;
+            $resolver->setDefined('notify_only_broken_pipelines')
+                ->setAllowedTypes('notify_only_broken_pipelines', 'bool')
+                ->setNormalizer('notify_only_broken_pipelines', $booleanNormalizer)
+            ;
+
+            $resolver->setDefined('branches_to_be_notified')
+                ->setAllowedTypes('branches_to_be_notified', 'string')
+                ->setAllowedValues('branches_to_be_notified', ['all', 'default', 'protected', 'default_and_protected'])
+            ;
+        }
+
+        return $this->put($this->getProjectPath($project_id, 'integrations/'.$integration), $parameters);
+    }
 }
diff --git a/tests/Api/ProjectsTest.php b/tests/Api/ProjectsTest.php
index 709752e1..f2a532e9 100644
--- a/tests/Api/ProjectsTest.php
+++ b/tests/Api/ProjectsTest.php
@@ -2890,6 +2890,22 @@ public function shouldRemoveProtectedTag(): void
         $this->assertEquals($expectedBool, $api->deleteProtectedTag(1, 'release-*'));
     }
 
+    /**
+     * @test
+     */
+    public function shouldUpdateIntegrationConfig(): void
+    {
+        $api = $this->getApiMock();
+        $api->expects($this->once())
+            ->method('put')
+            ->with(
+                'projects/1/integrations/jira'
+            )
+            ->will($this->returnValue([]));
+
+        $this->assertEquals([], $api->updateIntegration(1, 'jira', []));
+    }
+
     protected function getApiClass()
     {
         return Projects::class;