diff --git a/tests/functional/Web55ContainerCest.php b/tests/functional/Web55ContainerCest.php
index a989d59..16c4bf4 100644
--- a/tests/functional/Web55ContainerCest.php
+++ b/tests/functional/Web55ContainerCest.php
@@ -117,8 +117,8 @@ public function bowerTest(AcceptanceTester $I){
 
     public function bzip2Test(AcceptanceTester $I){
         $I->wantTo("verify bzip2 is installed in the container");
-        $I->runShellCommand("docker exec dev_web_56 bzip2 -V");
-        $I->seeInShellOutput('Version 1.0.6');
+        $I->runShellCommand("docker exec dev_web_55 apt list --installed | grep bzip2");
+        $I->seeInShellOutput("bzip2/stable,now 1.0.6");
     }
 
     public function phpModuleTest(AcceptanceTester $I){
diff --git a/tests/functional/Web56ContainerCest.php b/tests/functional/Web56ContainerCest.php
index 8c63900..37ae4d7 100644
--- a/tests/functional/Web56ContainerCest.php
+++ b/tests/functional/Web56ContainerCest.php
@@ -117,8 +117,8 @@ public function bowerTest(AcceptanceTester $I){
 
     public function bzip2Test(AcceptanceTester $I){
         $I->wantTo("verify bzip2 is installed in the container");
-        $I->runShellCommand("docker exec dev_web_56 bzip2 -V");
-        $I->seeInShellOutput('Version 1.0.6');
+        $I->runShellCommand("docker exec dev_web_55 apt list --installed | grep bzip2");
+        $I->seeInShellOutput("bzip2/stable,now 1.0.6");
     }
 
     public function phpModuleTest(AcceptanceTester $I){