diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index d068406e..f7bc3ffe 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -195,3 +195,5 @@ jobs:
           GITHUB_PRIVATE_INDIRECT_WITH_DIRECT: ${{ secrets.GH_PRIVATE_INDIRECT_WITH_DIRECT }}
           GITLAB_SUPER_SECRET_URL_FOR_TOKEN: ${{ secrets.GITLAB_SUPER_SECRET_URL_FOR_TOKEN }}
           VALID_CI_LICENCE: ${{ secrets.VALID_CI_LICENCE }}
+          BITBUCKET_APP_PASSWORD: ${{ secrets.BITBUCKET_APP_PASSWORD }}
+          BITBUCKET_WITH_PRIVATE_DEP: ${{ secrets.BITBUCKET_WITH_PRIVATE_DEP }}
diff --git a/tests/Integration/BitbucketWithPrivateDependencyTest.php b/tests/Integration/BitbucketWithPrivateDependencyTest.php
new file mode 100644
index 00000000..9a99923a
--- /dev/null
+++ b/tests/Integration/BitbucketWithPrivateDependencyTest.php
@@ -0,0 +1,13 @@
+<?php
+
+namespace Violinist\UpdateCheckRunner\Tests\Integration;
+
+class BitbucketWithPrivateDependencyTest extends IntegrationBase
+{
+    public function testRunBitbucketWithPrivateDepdendencies() : void
+    {
+        $repo = $_SERVER['BITBUCKET_WITH_PRIVATE_DEP'];
+        $json = $this->getProcessAndRunWithoutError($_SERVER['BITBUCKET_APP_PASSWORD'], $repo);
+        self::findMessage('composer install completed successfully', $json);
+    }
+}
diff --git a/tests/Integration/IntegrationBase.php b/tests/Integration/IntegrationBase.php
index 477021f2..af760998 100644
--- a/tests/Integration/IntegrationBase.php
+++ b/tests/Integration/IntegrationBase.php
@@ -77,14 +77,14 @@ protected function assertHashLogged($json)
         $this->assertTrue(false, 'The message ' . $expected_message . ' was not found in the output.');
     }
 
-    protected function findMessage($message, $json)
+    public static function findMessage(string $message, array $json) : \stdClass
     {
         foreach ($json as $item) {
             if ($item->message === $message) {
                 return $item;
             }
         }
-        $this->assertTrue(false, 'The message ' . $message . ' was not found in the output.');
+        throw new \Exception('The message ' . $message . ' was not found in the output.');
     }
 
     protected function assertProjectStarting($url, $json)
@@ -127,7 +127,7 @@ protected function getProcessAndRun($token, $url, $other_env = [])
         return $process;
     }
 
-    protected function getProcessAndRunGetJson($token, $url, $other_env = [])
+    protected function getProcessAndRunGetJson($token, $url, $other_env = []) : array
     {
         $process = $this->getProcessAndRun($token, $url, $other_env);
         $json = @json_decode($process->getOutput());
@@ -139,7 +139,7 @@ protected function getProcessAndRunGetJson($token, $url, $other_env = [])
         return $json;
     }
 
-    protected function getProcessAndRunWithoutError($token, $url, $other_env = [])
+    protected function getProcessAndRunWithoutError($token, $url, $other_env = []) : array
     {
         $process = $this->getProcessAndRun($token, $url, $other_env);
         if ($process->getExitCode()) {
@@ -154,7 +154,7 @@ protected function getProcessAndRunWithoutError($token, $url, $other_env = [])
         return $json;
     }
 
-    protected function getGitlabToken($url)
+    protected function getGitlabToken(string $url) : string
     {
         if (strpos($url, '172.17.0.1')) {
             // This does not need refreshing as we just created it.